Home / 39,308.49-54,239.61-22,538.25

Finding the Fourth Proportional to 39,308.49, 54,239.61 and 22,538.25

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Solution

The fourth proportional to 39,308.49, 54,239.61 and 22,538.25 is: 31,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,308.49 : 54,239.61 = 22,538.25 : x
  2. Step 2: Convert to fraction form
    39,308.49/54,239.61 = 22,538.25/x
  3. Step 3: Cross multiply
    39,308.49x = 54,239.61 × 22,538.25
  4. Step 4: Simplify right side
    39,308.49x = 1,222,465,890.08
  5. Step 5: Solve for x
    x = 1,222,465,890.08/39,308.49
  6. Step 6: Final answer
    x = 31,099.28

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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.