Home / 39,188.90-54,084.02-22,196.17

Finding the Fourth Proportional to 39,188.90, 54,084.02 and 22,196.17

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Solution

The fourth proportional to 39,188.90, 54,084.02 and 22,196.17 is: 30,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,188.90 : 54,084.02 = 22,196.17 : x
  2. Step 2: Convert to fraction form
    39,188.90/54,084.02 = 22,196.17/x
  3. Step 3: Cross multiply
    39,188.90x = 54,084.02 × 22,196.17
  4. Step 4: Simplify right side
    39,188.90x = 1,200,457,720.80
  5. Step 5: Solve for x
    x = 1,200,457,720.80/39,188.90
  6. Step 6: Final answer
    x = 30,632.60

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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.