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Finding the Fourth Proportional to 48,873.92, 67,448.23 and 38,245.10

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Solution

The fourth proportional to 48,873.92, 67,448.23 and 38,245.10 is: 52,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,873.92 : 67,448.23 = 38,245.10 : x
  2. Step 2: Convert to fraction form
    48,873.92/67,448.23 = 38,245.10/x
  3. Step 3: Cross multiply
    48,873.92x = 67,448.23 × 38,245.10
  4. Step 4: Simplify right side
    48,873.92x = 2,579,563,868.32
  5. Step 5: Solve for x
    x = 2,579,563,868.32/48,873.92
  6. Step 6: Final answer
    x = 52,779.97

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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.