Home / 38,709.60-58,050.72-18,443.88

Finding the Fourth Proportional to 38,709.60, 58,050.72 and 18,443.88

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Solution

The fourth proportional to 38,709.60, 58,050.72 and 18,443.88 is: 27,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,709.60 : 58,050.72 = 18,443.88 : x
  2. Step 2: Convert to fraction form
    38,709.60/58,050.72 = 18,443.88/x
  3. Step 3: Cross multiply
    38,709.60x = 58,050.72 × 18,443.88
  4. Step 4: Simplify right side
    38,709.60x = 1,070,680,513.59
  5. Step 5: Solve for x
    x = 1,070,680,513.59/38,709.60
  6. Step 6: Final answer
    x = 27,659.30

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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.