Home / 50,641.18-69,884.42-27,980.10

Finding the Fourth Proportional to 50,641.18, 69,884.42 and 27,980.10

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Solution

The fourth proportional to 50,641.18, 69,884.42 and 27,980.10 is: 38,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,641.18 : 69,884.42 = 27,980.10 : x
  2. Step 2: Convert to fraction form
    50,641.18/69,884.42 = 27,980.10/x
  3. Step 3: Cross multiply
    50,641.18x = 69,884.42 × 27,980.10
  4. Step 4: Simplify right side
    50,641.18x = 1,955,372,920.14
  5. Step 5: Solve for x
    x = 1,955,372,920.14/50,641.18
  6. Step 6: Final answer
    x = 38,612.31

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Similar ratio
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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.