Home / 29,617.29-40,871.76-16,188.54

Finding the Fourth Proportional to 29,617.29, 40,871.76 and 16,188.54

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Solution

The fourth proportional to 29,617.29, 40,871.76 and 16,188.54 is: 22,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,617.29 : 40,871.76 = 16,188.54 : x
  2. Step 2: Convert to fraction form
    29,617.29/40,871.76 = 16,188.54/x
  3. Step 3: Cross multiply
    29,617.29x = 40,871.76 × 16,188.54
  4. Step 4: Simplify right side
    29,617.29x = 661,654,121.63
  5. Step 5: Solve for x
    x = 661,654,121.63/29,617.29
  6. Step 6: Final answer
    x = 22,340.13

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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.