Home / 32,781.76-45,232.05-19,167.18

Finding the Fourth Proportional to 32,781.76, 45,232.05 and 19,167.18

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Solution

The fourth proportional to 32,781.76, 45,232.05 and 19,167.18 is: 26,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,781.76 : 45,232.05 = 19,167.18 : x
  2. Step 2: Convert to fraction form
    32,781.76/45,232.05 = 19,167.18/x
  3. Step 3: Cross multiply
    32,781.76x = 45,232.05 × 19,167.18
  4. Step 4: Simplify right side
    32,781.76x = 866,970,844.12
  5. Step 5: Solve for x
    x = 866,970,844.12/32,781.76
  6. Step 6: Final answer
    x = 26,446.74

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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.