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Finding the Fourth Proportional to 48,363.40, 72,707.10 and 41,948.20

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Solution

The fourth proportional to 48,363.40, 72,707.10 and 41,948.20 is: 63,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,363.40 : 72,707.10 = 41,948.20 : x
  2. Step 2: Convert to fraction form
    48,363.40/72,707.10 = 41,948.20/x
  3. Step 3: Cross multiply
    48,363.40x = 72,707.10 × 41,948.20
  4. Step 4: Simplify right side
    48,363.40x = 3,049,931,972.22
  5. Step 5: Solve for x
    x = 3,049,931,972.22/48,363.40
  6. Step 6: Final answer
    x = 63,062.81

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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.