Home / 42,677.13-64,044.26-17,717.20

Finding the Fourth Proportional to 42,677.13, 64,044.26 and 17,717.20

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Solution

The fourth proportional to 42,677.13, 64,044.26 and 17,717.20 is: 26,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,677.13 : 64,044.26 = 17,717.20 : x
  2. Step 2: Convert to fraction form
    42,677.13/64,044.26 = 17,717.20/x
  3. Step 3: Cross multiply
    42,677.13x = 64,044.26 × 17,717.20
  4. Step 4: Simplify right side
    42,677.13x = 1,134,684,830.84
  5. Step 5: Solve for x
    x = 1,134,684,830.84/42,677.13
  6. Step 6: Final answer
    x = 26,587.66

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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.