Home / 29,212.40-40,321.37-17,279.88

Finding the Fourth Proportional to 29,212.40, 40,321.37 and 17,279.88

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Solution

The fourth proportional to 29,212.40, 40,321.37 and 17,279.88 is: 23,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212.40 : 40,321.37 = 17,279.88 : x
  2. Step 2: Convert to fraction form
    29,212.40/40,321.37 = 17,279.88/x
  3. Step 3: Cross multiply
    29,212.40x = 40,321.37 × 17,279.88
  4. Step 4: Simplify right side
    29,212.40x = 696,748,505.24
  5. Step 5: Solve for x
    x = 696,748,505.24/29,212.40
  6. Step 6: Final answer
    x = 23,851.12

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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.