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Finding the Fourth Proportional to 42,316.88, 63,458.88 and 22,584.66

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Solution

The fourth proportional to 42,316.88, 63,458.88 and 22,584.66 is: 33,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,316.88 : 63,458.88 = 22,584.66 : x
  2. Step 2: Convert to fraction form
    42,316.88/63,458.88 = 22,584.66/x
  3. Step 3: Cross multiply
    42,316.88x = 63,458.88 × 22,584.66
  4. Step 4: Simplify right side
    42,316.88x = 1,433,197,228.78
  5. Step 5: Solve for x
    x = 1,433,197,228.78/42,316.88
  6. Step 6: Final answer
    x = 33,868.22

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1.5x scale

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.