Home / 52,372.07-72,275-28,500.29

Finding the Fourth Proportional to 52,372.07, 72,275 and 28,500.29

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Solution

The fourth proportional to 52,372.07, 72,275 and 28,500.29 is: 39,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,372.07 : 72,275 = 28,500.29 : x
  2. Step 2: Convert to fraction form
    52,372.07/72,275 = 28,500.29/x
  3. Step 3: Cross multiply
    52,372.07x = 72,275 × 28,500.29
  4. Step 4: Simplify right side
    52,372.07x = 2,059,858,459.75
  5. Step 5: Solve for x
    x = 2,059,858,459.75/52,372.07
  6. Step 6: Final answer
    x = 39,331.24

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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.