Home / 48,264.30-72,376.38-18,665.07

Finding the Fourth Proportional to 48,264.30, 72,376.38 and 18,665.07

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Solution

The fourth proportional to 48,264.30, 72,376.38 and 18,665.07 is: 27,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,264.30 : 72,376.38 = 18,665.07 : x
  2. Step 2: Convert to fraction form
    48,264.30/72,376.38 = 18,665.07/x
  3. Step 3: Cross multiply
    48,264.30x = 72,376.38 × 18,665.07
  4. Step 4: Simplify right side
    48,264.30x = 1,350,910,199.05
  5. Step 5: Solve for x
    x = 1,350,910,199.05/48,264.30
  6. Step 6: Final answer
    x = 27,989.84

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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.