Home / 38,340.96-52,907.49-21,343.92

Finding the Fourth Proportional to 38,340.96, 52,907.49 and 21,343.92

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Solution

The fourth proportional to 38,340.96, 52,907.49 and 21,343.92 is: 29,452.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.96 : 52,907.49 = 21,343.92 : x
  2. Step 2: Convert to fraction form
    38,340.96/52,907.49 = 21,343.92/x
  3. Step 3: Cross multiply
    38,340.96x = 52,907.49 × 21,343.92
  4. Step 4: Simplify right side
    38,340.96x = 1,129,253,233.96
  5. Step 5: Solve for x
    x = 1,129,253,233.96/38,340.96
  6. Step 6: Final answer
    x = 29,452.92

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Half scale
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Double scale
Find fourth proportional to 38,341.96, 52,908.87 and 21,344.92
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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.