Home / 38,848.20-58,146.96-20,102.43

Finding the Fourth Proportional to 38,848.20, 58,146.96 and 20,102.43

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Solution

The fourth proportional to 38,848.20, 58,146.96 and 20,102.43 is: 30,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,848.20 : 58,146.96 = 20,102.43 : x
  2. Step 2: Convert to fraction form
    38,848.20/58,146.96 = 20,102.43/x
  3. Step 3: Cross multiply
    38,848.20x = 58,146.96 × 20,102.43
  4. Step 4: Simplify right side
    38,848.20x = 1,168,895,193.11
  5. Step 5: Solve for x
    x = 1,168,895,193.11/38,848.20
  6. Step 6: Final answer
    x = 30,088.79

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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.