Home / 39,308.99-54,240.30-22,538.75

Finding the Fourth Proportional to 39,308.99, 54,240.30 and 22,538.75

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Solution

The fourth proportional to 39,308.99, 54,240.30 and 22,538.75 is: 31,099.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,308.99 : 54,240.30 = 22,538.75 : x
  2. Step 2: Convert to fraction form
    39,308.99/54,240.30 = 22,538.75/x
  3. Step 3: Cross multiply
    39,308.99x = 54,240.30 × 22,538.75
  4. Step 4: Simplify right side
    39,308.99x = 1,222,508,561.63
  5. Step 5: Solve for x
    x = 1,222,508,561.63/39,308.99
  6. Step 6: Final answer
    x = 31,099.97

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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.