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Finding the Fourth Proportional to 62,670.94, 86,437.02 and 38,810.86

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Solution

The fourth proportional to 62,670.94, 86,437.02 and 38,810.86 is: 53,528.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,670.94 : 86,437.02 = 38,810.86 : x
  2. Step 2: Convert to fraction form
    62,670.94/86,437.02 = 38,810.86/x
  3. Step 3: Cross multiply
    62,670.94x = 86,437.02 × 38,810.86
  4. Step 4: Simplify right side
    62,670.94x = 3,354,695,082.04
  5. Step 5: Solve for x
    x = 3,354,695,082.04/62,670.94
  6. Step 6: Final answer
    x = 53,528.72

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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.