Home / 38,729.76-58,017.60-30,370.56

Finding the Fourth Proportional to 38,729.76, 58,017.60 and 30,370.56

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Solution

The fourth proportional to 38,729.76, 58,017.60 and 30,370.56 is: 45,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,729.76 : 58,017.60 = 30,370.56 : x
  2. Step 2: Convert to fraction form
    38,729.76/58,017.60 = 30,370.56/x
  3. Step 3: Cross multiply
    38,729.76x = 58,017.60 × 30,370.56
  4. Step 4: Simplify right side
    38,729.76x = 1,762,027,001.86
  5. Step 5: Solve for x
    x = 1,762,027,001.86/38,729.76
  6. Step 6: Final answer
    x = 45,495.43

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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.