Home / 32,278.76-44,542.26-18,128.84

Finding the Fourth Proportional to 32,278.76, 44,542.26 and 18,128.84

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Solution

The fourth proportional to 32,278.76, 44,542.26 and 18,128.84 is: 25,016.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,278.76 : 44,542.26 = 18,128.84 : x
  2. Step 2: Convert to fraction form
    32,278.76/44,542.26 = 18,128.84/x
  3. Step 3: Cross multiply
    32,278.76x = 44,542.26 × 18,128.84
  4. Step 4: Simplify right side
    32,278.76x = 807,499,504.78
  5. Step 5: Solve for x
    x = 807,499,504.78/32,278.76
  6. Step 6: Final answer
    x = 25,016.44

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Half scale
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Double scale
Find fourth proportional to 32,279.76, 44,543.64 and 18,129.84
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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.