Home / 39,098.21-53,962.76-22,331.21

Finding the Fourth Proportional to 39,098.21, 53,962.76 and 22,331.21

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Solution

The fourth proportional to 39,098.21, 53,962.76 and 22,331.21 is: 30,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,098.21 : 53,962.76 = 22,331.21 : x
  2. Step 2: Convert to fraction form
    39,098.21/53,962.76 = 22,331.21/x
  3. Step 3: Cross multiply
    39,098.21x = 53,962.76 × 22,331.21
  4. Step 4: Simplify right side
    39,098.21x = 1,205,053,725.74
  5. Step 5: Solve for x
    x = 1,205,053,725.74/39,098.21
  6. Step 6: Final answer
    x = 30,821.20

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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.