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Finding the Fourth Proportional to 48,903.32, 73,354.98 and 13,843.28

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Solution

The fourth proportional to 48,903.32, 73,354.98 and 13,843.28 is: 20,764.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,903.32 : 73,354.98 = 13,843.28 : x
  2. Step 2: Convert to fraction form
    48,903.32/73,354.98 = 13,843.28/x
  3. Step 3: Cross multiply
    48,903.32x = 73,354.98 × 13,843.28
  4. Step 4: Simplify right side
    48,903.32x = 1,015,473,527.53
  5. Step 5: Solve for x
    x = 1,015,473,527.53/48,903.32
  6. Step 6: Final answer
    x = 20,764.92

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1.5x scale

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.