Home / 56,387.22-84,582.18-18,947.82

Finding the Fourth Proportional to 56,387.22, 84,582.18 and 18,947.82

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Solution

The fourth proportional to 56,387.22, 84,582.18 and 18,947.82 is: 28,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.22 : 84,582.18 = 18,947.82 : x
  2. Step 2: Convert to fraction form
    56,387.22/84,582.18 = 18,947.82/x
  3. Step 3: Cross multiply
    56,387.22x = 84,582.18 × 18,947.82
  4. Step 4: Simplify right side
    56,387.22x = 1,602,647,921.85
  5. Step 5: Solve for x
    x = 1,602,647,921.85/56,387.22
  6. Step 6: Final answer
    x = 28,422.18

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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.