Home / 54,649.56-81,974.40-15,206.76

Finding the Fourth Proportional to 54,649.56, 81,974.40 and 15,206.76

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Solution

The fourth proportional to 54,649.56, 81,974.40 and 15,206.76 is: 22,810.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,649.56 : 81,974.40 = 15,206.76 : x
  2. Step 2: Convert to fraction form
    54,649.56/81,974.40 = 15,206.76/x
  3. Step 3: Cross multiply
    54,649.56x = 81,974.40 × 15,206.76
  4. Step 4: Simplify right side
    54,649.56x = 1,246,565,026.94
  5. Step 5: Solve for x
    x = 1,246,565,026.94/54,649.56
  6. Step 6: Final answer
    x = 22,810.16

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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.