Home / 42,375.64-58,478.60-23,512.76

Finding the Fourth Proportional to 42,375.64, 58,478.60 and 23,512.76

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Solution

The fourth proportional to 42,375.64, 58,478.60 and 23,512.76 is: 32,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,375.64 : 58,478.60 = 23,512.76 : x
  2. Step 2: Convert to fraction form
    42,375.64/58,478.60 = 23,512.76/x
  3. Step 3: Cross multiply
    42,375.64x = 58,478.60 × 23,512.76
  4. Step 4: Simplify right side
    42,375.64x = 1,374,993,286.94
  5. Step 5: Solve for x
    x = 1,374,993,286.94/42,375.64
  6. Step 6: Final answer
    x = 32,447.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.