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Finding the Fourth Proportional to 43,332.58, 65,008.58 and 13,751.38

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Solution

The fourth proportional to 43,332.58, 65,008.58 and 13,751.38 is: 20,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,332.58 : 65,008.58 = 13,751.38 : x
  2. Step 2: Convert to fraction form
    43,332.58/65,008.58 = 13,751.38/x
  3. Step 3: Cross multiply
    43,332.58x = 65,008.58 × 13,751.38
  4. Step 4: Simplify right side
    43,332.58x = 893,957,686.84
  5. Step 5: Solve for x
    x = 893,957,686.84/43,332.58
  6. Step 6: Final answer
    x = 20,630.15

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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.