Home / 38,944.64-58,401.12-12,287.36

Finding the Fourth Proportional to 38,944.64, 58,401.12 and 12,287.36

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Solution

The fourth proportional to 38,944.64, 58,401.12 and 12,287.36 is: 18,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,944.64 : 58,401.12 = 12,287.36 : x
  2. Step 2: Convert to fraction form
    38,944.64/58,401.12 = 12,287.36/x
  3. Step 3: Cross multiply
    38,944.64x = 58,401.12 × 12,287.36
  4. Step 4: Simplify right side
    38,944.64x = 717,595,585.84
  5. Step 5: Solve for x
    x = 717,595,585.84/38,944.64
  6. Step 6: Final answer
    x = 18,426.04

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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.