Home / 48,354.93-72,498.38-18,747.81

Finding the Fourth Proportional to 48,354.93, 72,498.38 and 18,747.81

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Solution

The fourth proportional to 48,354.93, 72,498.38 and 18,747.81 is: 28,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,354.93 : 72,498.38 = 18,747.81 : x
  2. Step 2: Convert to fraction form
    48,354.93/72,498.38 = 18,747.81/x
  3. Step 3: Cross multiply
    48,354.93x = 72,498.38 × 18,747.81
  4. Step 4: Simplify right side
    48,354.93x = 1,359,185,759.81
  5. Step 5: Solve for x
    x = 1,359,185,759.81/48,354.93
  6. Step 6: Final answer
    x = 28,108.53

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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.