Home / 29,818.29-41,150.28-16,390.11

Finding the Fourth Proportional to 29,818.29, 41,150.28 and 16,390.11

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Solution

The fourth proportional to 29,818.29, 41,150.28 and 16,390.11 is: 22,618.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,818.29 : 41,150.28 = 16,390.11 : x
  2. Step 2: Convert to fraction form
    29,818.29/41,150.28 = 16,390.11/x
  3. Step 3: Cross multiply
    29,818.29x = 41,150.28 × 16,390.11
  4. Step 4: Simplify right side
    29,818.29x = 674,457,615.73
  5. Step 5: Solve for x
    x = 674,457,615.73/29,818.29
  6. Step 6: Final answer
    x = 22,618.92

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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.