Home / 54,490.24-81,733.14-18,959.69

Finding the Fourth Proportional to 54,490.24, 81,733.14 and 18,959.69

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Solution

The fourth proportional to 54,490.24, 81,733.14 and 18,959.69 is: 28,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,490.24 : 81,733.14 = 18,959.69 : x
  2. Step 2: Convert to fraction form
    54,490.24/81,733.14 = 18,959.69/x
  3. Step 3: Cross multiply
    54,490.24x = 81,733.14 × 18,959.69
  4. Step 4: Simplify right side
    54,490.24x = 1,549,634,997.13
  5. Step 5: Solve for x
    x = 1,549,634,997.13/54,490.24
  6. Step 6: Final answer
    x = 28,438.76

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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.