Home / 30,227.48-45,310.02-21,886.88

Finding the Fourth Proportional to 30,227.48, 45,310.02 and 21,886.88

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Solution

The fourth proportional to 30,227.48, 45,310.02 and 21,886.88 is: 32,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,227.48 : 45,310.02 = 21,886.88 : x
  2. Step 2: Convert to fraction form
    30,227.48/45,310.02 = 21,886.88/x
  3. Step 3: Cross multiply
    30,227.48x = 45,310.02 × 21,886.88
  4. Step 4: Simplify right side
    30,227.48x = 991,694,970.54
  5. Step 5: Solve for x
    x = 991,694,970.54/30,227.48
  6. Step 6: Final answer
    x = 32,807.73

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1.5x scale

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.