Home / 39,150.40-58,713.30-12,849.16

Finding the Fourth Proportional to 39,150.40, 58,713.30 and 12,849.16

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Solution

The fourth proportional to 39,150.40, 58,713.30 and 12,849.16 is: 19,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,150.40 : 58,713.30 = 12,849.16 : x
  2. Step 2: Convert to fraction form
    39,150.40/58,713.30 = 12,849.16/x
  3. Step 3: Cross multiply
    39,150.40x = 58,713.30 × 12,849.16
  4. Step 4: Simplify right side
    39,150.40x = 754,416,585.83
  5. Step 5: Solve for x
    x = 754,416,585.83/39,150.40
  6. Step 6: Final answer
    x = 19,269.70

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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.