Home / 38,748.10-58,127.38-12,460.90

Finding the Fourth Proportional to 38,748.10, 58,127.38 and 12,460.90

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Solution

The fourth proportional to 38,748.10, 58,127.38 and 12,460.90 is: 18,693.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,748.10 : 58,127.38 = 12,460.90 : x
  2. Step 2: Convert to fraction form
    38,748.10/58,127.38 = 12,460.90/x
  3. Step 3: Cross multiply
    38,748.10x = 58,127.38 × 12,460.90
  4. Step 4: Simplify right side
    38,748.10x = 724,319,469.44
  5. Step 5: Solve for x
    x = 724,319,469.44/38,748.10
  6. Step 6: Final answer
    x = 18,693.03

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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.