Home / 42,335.26-63,509.91-14,257.69

Finding the Fourth Proportional to 42,335.26, 63,509.91 and 14,257.69

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Solution

The fourth proportional to 42,335.26, 63,509.91 and 14,257.69 is: 21,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,335.26 : 63,509.91 = 14,257.69 : x
  2. Step 2: Convert to fraction form
    42,335.26/63,509.91 = 14,257.69/x
  3. Step 3: Cross multiply
    42,335.26x = 63,509.91 × 14,257.69
  4. Step 4: Simplify right side
    42,335.26x = 905,504,608.71
  5. Step 5: Solve for x
    x = 905,504,608.71/42,335.26
  6. Step 6: Final answer
    x = 21,388.90

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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.