Home / 43,332.68-65,001.45-12,165.50

Finding the Fourth Proportional to 43,332.68, 65,001.45 and 12,165.50

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Solution

The fourth proportional to 43,332.68, 65,001.45 and 12,165.50 is: 18,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,332.68 : 65,001.45 = 12,165.50 : x
  2. Step 2: Convert to fraction form
    43,332.68/65,001.45 = 12,165.50/x
  3. Step 3: Cross multiply
    43,332.68x = 65,001.45 × 12,165.50
  4. Step 4: Simplify right side
    43,332.68x = 790,775,139.98
  5. Step 5: Solve for x
    x = 790,775,139.98/43,332.68
  6. Step 6: Final answer
    x = 18,248.93

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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.