Home / 48,443.28-72,667.08-13,382.16

Finding the Fourth Proportional to 48,443.28, 72,667.08 and 13,382.16

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Solution

The fourth proportional to 48,443.28, 72,667.08 and 13,382.16 is: 20,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,443.28 : 72,667.08 = 13,382.16 : x
  2. Step 2: Convert to fraction form
    48,443.28/72,667.08 = 13,382.16/x
  3. Step 3: Cross multiply
    48,443.28x = 72,667.08 × 13,382.16
  4. Step 4: Simplify right side
    48,443.28x = 972,442,491.29
  5. Step 5: Solve for x
    x = 972,442,491.29/48,443.28
  6. Step 6: Final answer
    x = 20,073.84

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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.