Home / 39,435.75-54,426.11-22,444.12

Finding the Fourth Proportional to 39,435.75, 54,426.11 and 22,444.12

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Solution

The fourth proportional to 39,435.75, 54,426.11 and 22,444.12 is: 30,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,435.75 : 54,426.11 = 22,444.12 : x
  2. Step 2: Convert to fraction form
    39,435.75/54,426.11 = 22,444.12/x
  3. Step 3: Cross multiply
    39,435.75x = 54,426.11 × 22,444.12
  4. Step 4: Simplify right side
    39,435.75x = 1,221,546,099.79
  5. Step 5: Solve for x
    x = 1,221,546,099.79/39,435.75
  6. Step 6: Final answer
    x = 30,975.60

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Half scale
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Double scale
Find fourth proportional to 39,436.75, 54,427.49 and 22,445.12
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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.