Home / 54,084.17-81,127.28-18,586.25

Finding the Fourth Proportional to 54,084.17, 81,127.28 and 18,586.25

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Solution

The fourth proportional to 54,084.17, 81,127.28 and 18,586.25 is: 27,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,084.17 : 81,127.28 = 18,586.25 : x
  2. Step 2: Convert to fraction form
    54,084.17/81,127.28 = 18,586.25/x
  3. Step 3: Cross multiply
    54,084.17x = 81,127.28 × 18,586.25
  4. Step 4: Simplify right side
    54,084.17x = 1,507,852,160.78
  5. Step 5: Solve for x
    x = 1,507,852,160.78/54,084.17
  6. Step 6: Final answer
    x = 27,879.73

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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.