Home / 56,911.50-85,367.12-19,471.95

Finding the Fourth Proportional to 56,911.50, 85,367.12 and 19,471.95

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Solution

The fourth proportional to 56,911.50, 85,367.12 and 19,471.95 is: 29,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,911.50 : 85,367.12 = 19,471.95 : x
  2. Step 2: Convert to fraction form
    56,911.50/85,367.12 = 19,471.95/x
  3. Step 3: Cross multiply
    56,911.50x = 85,367.12 × 19,471.95
  4. Step 4: Simplify right side
    56,911.50x = 1,662,264,194.92
  5. Step 5: Solve for x
    x = 1,662,264,194.92/56,911.50
  6. Step 6: Final answer
    x = 29,207.88

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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.