Home / 29,158.71-40,238.15-16,412.60

Finding the Fourth Proportional to 29,158.71, 40,238.15 and 16,412.60

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Solution

The fourth proportional to 29,158.71, 40,238.15 and 16,412.60 is: 22,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,158.71 : 40,238.15 = 16,412.60 : x
  2. Step 2: Convert to fraction form
    29,158.71/40,238.15 = 16,412.60/x
  3. Step 3: Cross multiply
    29,158.71x = 40,238.15 × 16,412.60
  4. Step 4: Simplify right side
    29,158.71x = 660,412,377.44
  5. Step 5: Solve for x
    x = 660,412,377.44/29,158.71
  6. Step 6: Final answer
    x = 22,648.89

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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.