Home / 42,445.41-63,646.25-29,138.73

Finding the Fourth Proportional to 42,445.41, 63,646.25 and 29,138.73

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Solution

The fourth proportional to 42,445.41, 63,646.25 and 29,138.73 is: 43,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,445.41 : 63,646.25 = 29,138.73 : x
  2. Step 2: Convert to fraction form
    42,445.41/63,646.25 = 29,138.73/x
  3. Step 3: Cross multiply
    42,445.41x = 63,646.25 × 29,138.73
  4. Step 4: Simplify right side
    42,445.41x = 1,854,570,748.57
  5. Step 5: Solve for x
    x = 1,854,570,748.57/42,445.41
  6. Step 6: Final answer
    x = 43,693.08

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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.