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Finding the Fourth Proportional to 52,466.80, 72,404.70 and 28,593.99

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Solution

The fourth proportional to 52,466.80, 72,404.70 and 28,593.99 is: 39,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,466.80 : 72,404.70 = 28,593.99 : x
  2. Step 2: Convert to fraction form
    52,466.80/72,404.70 = 28,593.99/x
  3. Step 3: Cross multiply
    52,466.80x = 72,404.70 × 28,593.99
  4. Step 4: Simplify right side
    52,466.80x = 2,070,338,997.10
  5. Step 5: Solve for x
    x = 2,070,338,997.10/52,466.80
  6. Step 6: Final answer
    x = 39,459.98

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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.