Home / 38,756.39-58,130.48-12,459.11

Finding the Fourth Proportional to 38,756.39, 58,130.48 and 12,459.11

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Solution

The fourth proportional to 38,756.39, 58,130.48 and 12,459.11 is: 18,687.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,756.39 : 58,130.48 = 12,459.11 : x
  2. Step 2: Convert to fraction form
    38,756.39/58,130.48 = 12,459.11/x
  3. Step 3: Cross multiply
    38,756.39x = 58,130.48 × 12,459.11
  4. Step 4: Simplify right side
    38,756.39x = 724,253,691.72
  5. Step 5: Solve for x
    x = 724,253,691.72/38,756.39
  6. Step 6: Final answer
    x = 18,687.34

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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.