Home / 48,264.32-72,376.80-18,665.60

Finding the Fourth Proportional to 48,264.32, 72,376.80 and 18,665.60

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Solution

The fourth proportional to 48,264.32, 72,376.80 and 18,665.60 is: 27,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,264.32 : 72,376.80 = 18,665.60 : x
  2. Step 2: Convert to fraction form
    48,264.32/72,376.80 = 18,665.60/x
  3. Step 3: Cross multiply
    48,264.32x = 72,376.80 × 18,665.60
  4. Step 4: Simplify right side
    48,264.32x = 1,350,956,398.08
  5. Step 5: Solve for x
    x = 1,350,956,398.08/48,264.32
  6. Step 6: Final answer
    x = 27,990.79

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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.