Home / 32,982.78-45,515.40-17,874.78

Finding the Fourth Proportional to 32,982.78, 45,515.40 and 17,874.78

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Solution

The fourth proportional to 32,982.78, 45,515.40 and 17,874.78 is: 24,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,982.78 : 45,515.40 = 17,874.78 : x
  2. Step 2: Convert to fraction form
    32,982.78/45,515.40 = 17,874.78/x
  3. Step 3: Cross multiply
    32,982.78x = 45,515.40 × 17,874.78
  4. Step 4: Simplify right side
    32,982.78x = 813,577,761.61
  5. Step 5: Solve for x
    x = 813,577,761.61/32,982.78
  6. Step 6: Final answer
    x = 24,666.74

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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.