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Finding the Fourth Proportional to 39,630, 59,403.10 and 14,654.02

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Solution

The fourth proportional to 39,630, 59,403.10 and 14,654.02 is: 21,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,630 : 59,403.10 = 14,654.02 : x
  2. Step 2: Convert to fraction form
    39,630/59,403.10 = 14,654.02/x
  3. Step 3: Cross multiply
    39,630x = 59,403.10 × 14,654.02
  4. Step 4: Simplify right side
    39,630x = 870,494,215.46
  5. Step 5: Solve for x
    x = 870,494,215.46/39,630
  6. Step 6: Final answer
    x = 21,965.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.