Home / 48,648.16-72,951.18-20,580.76

Finding the Fourth Proportional to 48,648.16, 72,951.18 and 20,580.76

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Solution

The fourth proportional to 48,648.16, 72,951.18 and 20,580.76 is: 30,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,648.16 : 72,951.18 = 20,580.76 : x
  2. Step 2: Convert to fraction form
    48,648.16/72,951.18 = 20,580.76/x
  3. Step 3: Cross multiply
    48,648.16x = 72,951.18 × 20,580.76
  4. Step 4: Simplify right side
    48,648.16x = 1,501,390,727.30
  5. Step 5: Solve for x
    x = 1,501,390,727.30/48,648.16
  6. Step 6: Final answer
    x = 30,862.23

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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.