Home / 42,323.11-63,505.47-17,021.61

Finding the Fourth Proportional to 42,323.11, 63,505.47 and 17,021.61

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Solution

The fourth proportional to 42,323.11, 63,505.47 and 17,021.61 is: 25,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,323.11 : 63,505.47 = 17,021.61 : x
  2. Step 2: Convert to fraction form
    42,323.11/63,505.47 = 17,021.61/x
  3. Step 3: Cross multiply
    42,323.11x = 63,505.47 × 17,021.61
  4. Step 4: Simplify right side
    42,323.11x = 1,080,965,581.35
  5. Step 5: Solve for x
    x = 1,080,965,581.35/42,323.11
  6. Step 6: Final answer
    x = 25,540.79

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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.