Home / 56,888.20-85,332.80-21,819.52

Finding the Fourth Proportional to 56,888.20, 85,332.80 and 21,819.52

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Solution

The fourth proportional to 56,888.20, 85,332.80 and 21,819.52 is: 32,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,888.20 : 85,332.80 = 21,819.52 : x
  2. Step 2: Convert to fraction form
    56,888.20/85,332.80 = 21,819.52/x
  3. Step 3: Cross multiply
    56,888.20x = 85,332.80 × 21,819.52
  4. Step 4: Simplify right side
    56,888.20x = 1,861,920,736.26
  5. Step 5: Solve for x
    x = 1,861,920,736.26/56,888.20
  6. Step 6: Final answer
    x = 32,729.47

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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.