Home / 43,332.72-64,985.76-18,372.28

Finding the Fourth Proportional to 43,332.72, 64,985.76 and 18,372.28

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Solution

The fourth proportional to 43,332.72, 64,985.76 and 18,372.28 is: 27,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,332.72 : 64,985.76 = 18,372.28 : x
  2. Step 2: Convert to fraction form
    43,332.72/64,985.76 = 18,372.28/x
  3. Step 3: Cross multiply
    43,332.72x = 64,985.76 × 18,372.28
  4. Step 4: Simplify right side
    43,332.72x = 1,193,936,578.73
  5. Step 5: Solve for x
    x = 1,193,936,578.73/43,332.72
  6. Step 6: Final answer
    x = 27,552.77

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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.