Home / 38,949.52-58,459-18,184.72

Finding the Fourth Proportional to 38,949.52, 58,459 and 18,184.72

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Solution

The fourth proportional to 38,949.52, 58,459 and 18,184.72 is: 27,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,949.52 : 58,459 = 18,184.72 : x
  2. Step 2: Convert to fraction form
    38,949.52/58,459 = 18,184.72/x
  3. Step 3: Cross multiply
    38,949.52x = 58,459 × 18,184.72
  4. Step 4: Simplify right side
    38,949.52x = 1,063,060,546.48
  5. Step 5: Solve for x
    x = 1,063,060,546.48/38,949.52
  6. Step 6: Final answer
    x = 27,293.29

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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.