Home / 32,781.11-45,227.36-19,356.84

Finding the Fourth Proportional to 32,781.11, 45,227.36 and 19,356.84

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Solution

The fourth proportional to 32,781.11, 45,227.36 and 19,356.84 is: 26,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,781.11 : 45,227.36 = 19,356.84 : x
  2. Step 2: Convert to fraction form
    32,781.11/45,227.36 = 19,356.84/x
  3. Step 3: Cross multiply
    32,781.11x = 45,227.36 × 19,356.84
  4. Step 4: Simplify right side
    32,781.11x = 875,458,819.53
  5. Step 5: Solve for x
    x = 875,458,819.53/32,781.11
  6. Step 6: Final answer
    x = 26,706.20

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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.