Home / 54,411.16-81,441.76-28,080.04

Finding the Fourth Proportional to 54,411.16, 81,441.76 and 28,080.04

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Solution

The fourth proportional to 54,411.16, 81,441.76 and 28,080.04 is: 42,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,411.16 : 81,441.76 = 28,080.04 : x
  2. Step 2: Convert to fraction form
    54,411.16/81,441.76 = 28,080.04/x
  3. Step 3: Cross multiply
    54,411.16x = 81,441.76 × 28,080.04
  4. Step 4: Simplify right side
    54,411.16x = 2,286,887,878.47
  5. Step 5: Solve for x
    x = 2,286,887,878.47/54,411.16
  6. Step 6: Final answer
    x = 42,029.76

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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.