Home / 39,237.16-54,148.62-22,241.20

Finding the Fourth Proportional to 39,237.16, 54,148.62 and 22,241.20

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Solution

The fourth proportional to 39,237.16, 54,148.62 and 22,241.20 is: 30,693.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,237.16 : 54,148.62 = 22,241.20 : x
  2. Step 2: Convert to fraction form
    39,237.16/54,148.62 = 22,241.20/x
  3. Step 3: Cross multiply
    39,237.16x = 54,148.62 × 22,241.20
  4. Step 4: Simplify right side
    39,237.16x = 1,204,330,287.14
  5. Step 5: Solve for x
    x = 1,204,330,287.14/39,237.16
  6. Step 6: Final answer
    x = 30,693.62

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Double scale
Find fourth proportional to 39,238.16, 54,150 and 22,242.20
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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.