Home / 29,617.60-40,829.76-18,279.52

Finding the Fourth Proportional to 29,617.60, 40,829.76 and 18,279.52

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Solution

The fourth proportional to 29,617.60, 40,829.76 and 18,279.52 is: 25,199.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,617.60 : 40,829.76 = 18,279.52 : x
  2. Step 2: Convert to fraction form
    29,617.60/40,829.76 = 18,279.52/x
  3. Step 3: Cross multiply
    29,617.60x = 40,829.76 × 18,279.52
  4. Step 4: Simplify right side
    29,617.60x = 746,348,414.52
  5. Step 5: Solve for x
    x = 746,348,414.52/29,617.60
  6. Step 6: Final answer
    x = 25,199.49

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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.