Home / 39,214.92-54,116.50-22,219.13

Finding the Fourth Proportional to 39,214.92, 54,116.50 and 22,219.13

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Solution

The fourth proportional to 39,214.92, 54,116.50 and 22,219.13 is: 30,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,214.92 : 54,116.50 = 22,219.13 : x
  2. Step 2: Convert to fraction form
    39,214.92/54,116.50 = 22,219.13/x
  3. Step 3: Cross multiply
    39,214.92x = 54,116.50 × 22,219.13
  4. Step 4: Simplify right side
    39,214.92x = 1,202,421,548.65
  5. Step 5: Solve for x
    x = 1,202,421,548.65/39,214.92
  6. Step 6: Final answer
    x = 30,662.35

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Double scale
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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.