Home / 29,936.40-41,312.52-16,508.20

Finding the Fourth Proportional to 29,936.40, 41,312.52 and 16,508.20

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Solution

The fourth proportional to 29,936.40, 41,312.52 and 16,508.20 is: 22,781.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,936.40 : 41,312.52 = 16,508.20 : x
  2. Step 2: Convert to fraction form
    29,936.40/41,312.52 = 16,508.20/x
  3. Step 3: Cross multiply
    29,936.40x = 41,312.52 × 16,508.20
  4. Step 4: Simplify right side
    29,936.40x = 681,995,342.66
  5. Step 5: Solve for x
    x = 681,995,342.66/29,936.40
  6. Step 6: Final answer
    x = 22,781.47

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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.