Home / 42,682.35-63,987.39-17,706.81

Finding the Fourth Proportional to 42,682.35, 63,987.39 and 17,706.81

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Solution

The fourth proportional to 42,682.35, 63,987.39 and 17,706.81 is: 26,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,682.35 : 63,987.39 = 17,706.81 : x
  2. Step 2: Convert to fraction form
    42,682.35/63,987.39 = 17,706.81/x
  3. Step 3: Cross multiply
    42,682.35x = 63,987.39 × 17,706.81
  4. Step 4: Simplify right side
    42,682.35x = 1,133,012,557.13
  5. Step 5: Solve for x
    x = 1,133,012,557.13/42,682.35
  6. Step 6: Final answer
    x = 26,545.22

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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.