Home / 29,144.60-40,218.40-17,211.76

Finding the Fourth Proportional to 29,144.60, 40,218.40 and 17,211.76

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Solution

The fourth proportional to 29,144.60, 40,218.40 and 17,211.76 is: 23,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,144.60 : 40,218.40 = 17,211.76 : x
  2. Step 2: Convert to fraction form
    29,144.60/40,218.40 = 17,211.76/x
  3. Step 3: Cross multiply
    29,144.60x = 40,218.40 × 17,211.76
  4. Step 4: Simplify right side
    29,144.60x = 692,229,448.38
  5. Step 5: Solve for x
    x = 692,229,448.38/29,144.60
  6. Step 6: Final answer
    x = 23,751.55

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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.