Home / 42,308.59-63,467.10-15,661.70

Finding the Fourth Proportional to 42,308.59, 63,467.10 and 15,661.70

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Solution

The fourth proportional to 42,308.59, 63,467.10 and 15,661.70 is: 23,494.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,308.59 : 63,467.10 = 15,661.70 : x
  2. Step 2: Convert to fraction form
    42,308.59/63,467.10 = 15,661.70/x
  3. Step 3: Cross multiply
    42,308.59x = 63,467.10 × 15,661.70
  4. Step 4: Simplify right side
    42,308.59x = 994,002,680.07
  5. Step 5: Solve for x
    x = 994,002,680.07/42,308.59
  6. Step 6: Final answer
    x = 23,494.11

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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.