Home / 52,320.54-72,202.44-28,447.20

Finding the Fourth Proportional to 52,320.54, 72,202.44 and 28,447.20

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Solution

The fourth proportional to 52,320.54, 72,202.44 and 28,447.20 is: 39,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,320.54 : 72,202.44 = 28,447.20 : x
  2. Step 2: Convert to fraction form
    52,320.54/72,202.44 = 28,447.20/x
  3. Step 3: Cross multiply
    52,320.54x = 72,202.44 × 28,447.20
  4. Step 4: Simplify right side
    52,320.54x = 2,053,957,251.17
  5. Step 5: Solve for x
    x = 2,053,957,251.17/52,320.54
  6. Step 6: Final answer
    x = 39,257.19

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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.