Home / 42,765.63-64,132.49-14,677.71

Finding the Fourth Proportional to 42,765.63, 64,132.49 and 14,677.71

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Solution

The fourth proportional to 42,765.63, 64,132.49 and 14,677.71 is: 22,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,765.63 : 64,132.49 = 14,677.71 : x
  2. Step 2: Convert to fraction form
    42,765.63/64,132.49 = 14,677.71/x
  3. Step 3: Cross multiply
    42,765.63x = 64,132.49 × 14,677.71
  4. Step 4: Simplify right side
    42,765.63x = 941,318,016.41
  5. Step 5: Solve for x
    x = 941,318,016.41/42,765.63
  6. Step 6: Final answer
    x = 22,011.09

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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.