Home / 29,158.76-40,234.36-17,220.44

Finding the Fourth Proportional to 29,158.76, 40,234.36 and 17,220.44

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Solution

The fourth proportional to 29,158.76, 40,234.36 and 17,220.44 is: 23,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,158.76 : 40,234.36 = 17,220.44 : x
  2. Step 2: Convert to fraction form
    29,158.76/40,234.36 = 17,220.44/x
  3. Step 3: Cross multiply
    29,158.76x = 40,234.36 × 17,220.44
  4. Step 4: Simplify right side
    29,158.76x = 692,853,382.32
  5. Step 5: Solve for x
    x = 692,853,382.32/29,158.76
  6. Step 6: Final answer
    x = 23,761.41

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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.