Home / 54,299.90-81,393.01-22,728.05

Finding the Fourth Proportional to 54,299.90, 81,393.01 and 22,728.05

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Solution

The fourth proportional to 54,299.90, 81,393.01 and 22,728.05 is: 34,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,299.90 : 81,393.01 = 22,728.05 : x
  2. Step 2: Convert to fraction form
    54,299.90/81,393.01 = 22,728.05/x
  3. Step 3: Cross multiply
    54,299.90x = 81,393.01 × 22,728.05
  4. Step 4: Simplify right side
    54,299.90x = 1,849,904,400.93
  5. Step 5: Solve for x
    x = 1,849,904,400.93/54,299.90
  6. Step 6: Final answer
    x = 34,068.28

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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.