Home / 42,694.38-64,060.05-17,739.90

Finding the Fourth Proportional to 42,694.38, 64,060.05 and 17,739.90

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Solution

The fourth proportional to 42,694.38, 64,060.05 and 17,739.90 is: 26,617.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,694.38 : 64,060.05 = 17,739.90 : x
  2. Step 2: Convert to fraction form
    42,694.38/64,060.05 = 17,739.90/x
  3. Step 3: Cross multiply
    42,694.38x = 64,060.05 × 17,739.90
  4. Step 4: Simplify right side
    42,694.38x = 1,136,418,881.00
  5. Step 5: Solve for x
    x = 1,136,418,881.00/42,694.38
  6. Step 6: Final answer
    x = 26,617.53

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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.