Home / 54,541.15-81,872.48-28,238.83

Finding the Fourth Proportional to 54,541.15, 81,872.48 and 28,238.83

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Solution

The fourth proportional to 54,541.15, 81,872.48 and 28,238.83 is: 42,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.15 : 81,872.48 = 28,238.83 : x
  2. Step 2: Convert to fraction form
    54,541.15/81,872.48 = 28,238.83/x
  3. Step 3: Cross multiply
    54,541.15x = 81,872.48 × 28,238.83
  4. Step 4: Simplify right side
    54,541.15x = 2,311,983,044.40
  5. Step 5: Solve for x
    x = 2,311,983,044.40/54,541.15
  6. Step 6: Final answer
    x = 42,389.70

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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.