Home / 29,242.71-40,353.66-18,635.76

Finding the Fourth Proportional to 29,242.71, 40,353.66 and 18,635.76

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Solution

The fourth proportional to 29,242.71, 40,353.66 and 18,635.76 is: 25,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,242.71 : 40,353.66 = 18,635.76 : x
  2. Step 2: Convert to fraction form
    29,242.71/40,353.66 = 18,635.76/x
  3. Step 3: Cross multiply
    29,242.71x = 40,353.66 × 18,635.76
  4. Step 4: Simplify right side
    29,242.71x = 752,021,122.88
  5. Step 5: Solve for x
    x = 752,021,122.88/29,242.71
  6. Step 6: Final answer
    x = 25,716.53

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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.