Home / 52,212.76-72,051.68-28,338.92

Finding the Fourth Proportional to 52,212.76, 72,051.68 and 28,338.92

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Solution

The fourth proportional to 52,212.76, 72,051.68 and 28,338.92 is: 39,106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.76 : 72,051.68 = 28,338.92 : x
  2. Step 2: Convert to fraction form
    52,212.76/72,051.68 = 28,338.92/x
  3. Step 3: Cross multiply
    52,212.76x = 72,051.68 × 28,338.92
  4. Step 4: Simplify right side
    52,212.76x = 2,041,866,653.69
  5. Step 5: Solve for x
    x = 2,041,866,653.69/52,212.76
  6. Step 6: Final answer
    x = 39,106.66

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.