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Finding the Fourth Proportional to 52,593.48, 72,655.78 and 45,507.60

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Solution

The fourth proportional to 52,593.48, 72,655.78 and 45,507.60 is: 62,866.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,593.48 : 72,655.78 = 45,507.60 : x
  2. Step 2: Convert to fraction form
    52,593.48/72,655.78 = 45,507.60/x
  3. Step 3: Cross multiply
    52,593.48x = 72,655.78 × 45,507.60
  4. Step 4: Simplify right side
    52,593.48x = 3,306,390,173.93
  5. Step 5: Solve for x
    x = 3,306,390,173.93/52,593.48
  6. Step 6: Final answer
    x = 62,866.92

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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.