Home / 42,768.28-64,134.08-14,691.16

Finding the Fourth Proportional to 42,768.28, 64,134.08 and 14,691.16

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Solution

The fourth proportional to 42,768.28, 64,134.08 and 14,691.16 is: 22,030.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768.28 : 64,134.08 = 14,691.16 : x
  2. Step 2: Convert to fraction form
    42,768.28/64,134.08 = 14,691.16/x
  3. Step 3: Cross multiply
    42,768.28x = 64,134.08 × 14,691.16
  4. Step 4: Simplify right side
    42,768.28x = 942,204,030.73
  5. Step 5: Solve for x
    x = 942,204,030.73/42,768.28
  6. Step 6: Final answer
    x = 22,030.44

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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.