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Finding the Fourth Proportional to 62,491.01, 86,235.45 and 35,642.16

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Solution

The fourth proportional to 62,491.01, 86,235.45 and 35,642.16 is: 49,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,491.01 : 86,235.45 = 35,642.16 : x
  2. Step 2: Convert to fraction form
    62,491.01/86,235.45 = 35,642.16/x
  3. Step 3: Cross multiply
    62,491.01x = 86,235.45 × 35,642.16
  4. Step 4: Simplify right side
    62,491.01x = 3,073,617,572.91
  5. Step 5: Solve for x
    x = 3,073,617,572.91/62,491.01
  6. Step 6: Final answer
    x = 49,184.96

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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.