Home / 38,757.39-58,131.97-12,460.11

Finding the Fourth Proportional to 38,757.39, 58,131.97 and 12,460.11

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Solution

The fourth proportional to 38,757.39, 58,131.97 and 12,460.11 is: 18,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,757.39 : 58,131.97 = 12,460.11 : x
  2. Step 2: Convert to fraction form
    38,757.39/58,131.97 = 12,460.11/x
  3. Step 3: Cross multiply
    38,757.39x = 58,131.97 × 12,460.11
  4. Step 4: Simplify right side
    38,757.39x = 724,330,740.72
  5. Step 5: Solve for x
    x = 724,330,740.72/38,757.39
  6. Step 6: Final answer
    x = 18,688.84

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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.