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Finding the Fourth Proportional to 62,941.52, 86,856.08 and 34,641.76

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Solution

The fourth proportional to 62,941.52, 86,856.08 and 34,641.76 is: 47,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,941.52 : 86,856.08 = 34,641.76 : x
  2. Step 2: Convert to fraction form
    62,941.52/86,856.08 = 34,641.76/x
  3. Step 3: Cross multiply
    62,941.52x = 86,856.08 × 34,641.76
  4. Step 4: Simplify right side
    62,941.52x = 3,008,847,477.90
  5. Step 5: Solve for x
    x = 3,008,847,477.90/62,941.52
  6. Step 6: Final answer
    x = 47,803.86

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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.