Home / 29,748.59-40,974.23-22,170.68

Finding the Fourth Proportional to 29,748.59, 40,974.23 and 22,170.68

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Solution

The fourth proportional to 29,748.59, 40,974.23 and 22,170.68 is: 30,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,748.59 : 40,974.23 = 22,170.68 : x
  2. Step 2: Convert to fraction form
    29,748.59/40,974.23 = 22,170.68/x
  3. Step 3: Cross multiply
    29,748.59x = 40,974.23 × 22,170.68
  4. Step 4: Simplify right side
    29,748.59x = 908,426,430.72
  5. Step 5: Solve for x
    x = 908,426,430.72/29,748.59
  6. Step 6: Final answer
    x = 30,536.79

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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.