Home / 29,100.28-40,161.80-16,353.48

Finding the Fourth Proportional to 29,100.28, 40,161.80 and 16,353.48

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Solution

The fourth proportional to 29,100.28, 40,161.80 and 16,353.48 is: 22,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,100.28 : 40,161.80 = 16,353.48 : x
  2. Step 2: Convert to fraction form
    29,100.28/40,161.80 = 16,353.48/x
  3. Step 3: Cross multiply
    29,100.28x = 40,161.80 × 16,353.48
  4. Step 4: Simplify right side
    29,100.28x = 656,785,193.06
  5. Step 5: Solve for x
    x = 656,785,193.06/29,100.28
  6. Step 6: Final answer
    x = 22,569.72

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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.