Home / 42,661.29-63,984.65-11,489.25

Finding the Fourth Proportional to 42,661.29, 63,984.65 and 11,489.25

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Solution

The fourth proportional to 42,661.29, 63,984.65 and 11,489.25 is: 17,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,661.29 : 63,984.65 = 11,489.25 : x
  2. Step 2: Convert to fraction form
    42,661.29/63,984.65 = 11,489.25/x
  3. Step 3: Cross multiply
    42,661.29x = 63,984.65 × 11,489.25
  4. Step 4: Simplify right side
    42,661.29x = 735,135,582.57
  5. Step 5: Solve for x
    x = 735,135,582.57/42,661.29
  6. Step 6: Final answer
    x = 17,231.91

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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.