Home / 52,176.87-72,002.45-29,206.69

Finding the Fourth Proportional to 52,176.87, 72,002.45 and 29,206.69

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Solution

The fourth proportional to 52,176.87, 72,002.45 and 29,206.69 is: 40,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,176.87 : 72,002.45 = 29,206.69 : x
  2. Step 2: Convert to fraction form
    52,176.87/72,002.45 = 29,206.69/x
  3. Step 3: Cross multiply
    52,176.87x = 72,002.45 × 29,206.69
  4. Step 4: Simplify right side
    52,176.87x = 2,102,953,129.40
  5. Step 5: Solve for x
    x = 2,102,953,129.40/52,176.87
  6. Step 6: Final answer
    x = 40,304.32

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Half scale
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Double scale
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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.