Home / 52,051.05-71,830.43-28,177.70

Finding the Fourth Proportional to 52,051.05, 71,830.43 and 28,177.70

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Solution

The fourth proportional to 52,051.05, 71,830.43 and 28,177.70 is: 38,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,051.05 : 71,830.43 = 28,177.70 : x
  2. Step 2: Convert to fraction form
    52,051.05/71,830.43 = 28,177.70/x
  3. Step 3: Cross multiply
    52,051.05x = 71,830.43 × 28,177.70
  4. Step 4: Simplify right side
    52,051.05x = 2,024,016,451.76
  5. Step 5: Solve for x
    x = 2,024,016,451.76/52,051.05
  6. Step 6: Final answer
    x = 38,885.22

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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.