Home / 29,561.28-40,790.88-18,233.28

Finding the Fourth Proportional to 29,561.28, 40,790.88 and 18,233.28

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Solution

The fourth proportional to 29,561.28, 40,790.88 and 18,233.28 is: 25,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,561.28 : 40,790.88 = 18,233.28 : x
  2. Step 2: Convert to fraction form
    29,561.28/40,790.88 = 18,233.28/x
  3. Step 3: Cross multiply
    29,561.28x = 40,790.88 × 18,233.28
  4. Step 4: Simplify right side
    29,561.28x = 743,751,536.49
  5. Step 5: Solve for x
    x = 743,751,536.49/29,561.28
  6. Step 6: Final answer
    x = 25,159.65

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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.