Home / 38,843.10-58,258.36-12,547.96

Finding the Fourth Proportional to 38,843.10, 58,258.36 and 12,547.96

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Solution

The fourth proportional to 38,843.10, 58,258.36 and 12,547.96 is: 18,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,843.10 : 58,258.36 = 12,547.96 : x
  2. Step 2: Convert to fraction form
    38,843.10/58,258.36 = 12,547.96/x
  3. Step 3: Cross multiply
    38,843.10x = 58,258.36 × 12,547.96
  4. Step 4: Simplify right side
    38,843.10x = 731,023,570.95
  5. Step 5: Solve for x
    x = 731,023,570.95/38,843.10
  6. Step 6: Final answer
    x = 18,819.91

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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.