Home / 29,229.24-40,281.24-21,149.22

Finding the Fourth Proportional to 29,229.24, 40,281.24 and 21,149.22

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Solution

The fourth proportional to 29,229.24, 40,281.24 and 21,149.22 is: 29,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,229.24 : 40,281.24 = 21,149.22 : x
  2. Step 2: Convert to fraction form
    29,229.24/40,281.24 = 21,149.22/x
  3. Step 3: Cross multiply
    29,229.24x = 40,281.24 × 21,149.22
  4. Step 4: Simplify right side
    29,229.24x = 851,916,806.63
  5. Step 5: Solve for x
    x = 851,916,806.63/29,229.24
  6. Step 6: Final answer
    x = 29,146.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.