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Finding the Fourth Proportional to 48,162.48, 66,490.92 and 33,064.08

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Solution

The fourth proportional to 48,162.48, 66,490.92 and 33,064.08 is: 45,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,162.48 : 66,490.92 = 33,064.08 : x
  2. Step 2: Convert to fraction form
    48,162.48/66,490.92 = 33,064.08/x
  3. Step 3: Cross multiply
    48,162.48x = 66,490.92 × 33,064.08
  4. Step 4: Simplify right side
    48,162.48x = 2,198,461,098.15
  5. Step 5: Solve for x
    x = 2,198,461,098.15/48,162.48
  6. Step 6: Final answer
    x = 45,646.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.