Home / 48,211.38-72,320.94-13,150.26

Finding the Fourth Proportional to 48,211.38, 72,320.94 and 13,150.26

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Solution

The fourth proportional to 48,211.38, 72,320.94 and 13,150.26 is: 19,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,211.38 : 72,320.94 = 13,150.26 : x
  2. Step 2: Convert to fraction form
    48,211.38/72,320.94 = 13,150.26/x
  3. Step 3: Cross multiply
    48,211.38x = 72,320.94 × 13,150.26
  4. Step 4: Simplify right side
    48,211.38x = 951,039,164.44
  5. Step 5: Solve for x
    x = 951,039,164.44/48,211.38
  6. Step 6: Final answer
    x = 19,726.45

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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.