Home / 48,749.97-73,124.61-13,689.66

Finding the Fourth Proportional to 48,749.97, 73,124.61 and 13,689.66

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Solution

The fourth proportional to 48,749.97, 73,124.61 and 13,689.66 is: 20,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,749.97 : 73,124.61 = 13,689.66 : x
  2. Step 2: Convert to fraction form
    48,749.97/73,124.61 = 13,689.66/x
  3. Step 3: Cross multiply
    48,749.97x = 73,124.61 × 13,689.66
  4. Step 4: Simplify right side
    48,749.97x = 1,001,051,048.53
  5. Step 5: Solve for x
    x = 1,001,051,048.53/48,749.97
  6. Step 6: Final answer
    x = 20,534.39

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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.