Home / 38,713.60-58,070.72-12,418.56

Finding the Fourth Proportional to 38,713.60, 58,070.72 and 12,418.56

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Solution

The fourth proportional to 38,713.60, 58,070.72 and 12,418.56 is: 18,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,713.60 : 58,070.72 = 12,418.56 : x
  2. Step 2: Convert to fraction form
    38,713.60/58,070.72 = 12,418.56/x
  3. Step 3: Cross multiply
    38,713.60x = 58,070.72 × 12,418.56
  4. Step 4: Simplify right side
    38,713.60x = 721,154,720.56
  5. Step 5: Solve for x
    x = 721,154,720.56/38,713.60
  6. Step 6: Final answer
    x = 18,627.94

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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.