Home / 48,449.28-72,707.28-18,867.36

Finding the Fourth Proportional to 48,449.28, 72,707.28 and 18,867.36

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Solution

The fourth proportional to 48,449.28, 72,707.28 and 18,867.36 is: 28,314.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,449.28 : 72,707.28 = 18,867.36 : x
  2. Step 2: Convert to fraction form
    48,449.28/72,707.28 = 18,867.36/x
  3. Step 3: Cross multiply
    48,449.28x = 72,707.28 × 18,867.36
  4. Step 4: Simplify right side
    48,449.28x = 1,371,794,426.38
  5. Step 5: Solve for x
    x = 1,371,794,426.38/48,449.28
  6. Step 6: Final answer
    x = 28,314.03

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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.