Home / 33,069.28-45,641.16-31,975.78

Finding the Fourth Proportional to 33,069.28, 45,641.16 and 31,975.78

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Solution

The fourth proportional to 33,069.28, 45,641.16 and 31,975.78 is: 44,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,069.28 : 45,641.16 = 31,975.78 : x
  2. Step 2: Convert to fraction form
    33,069.28/45,641.16 = 31,975.78/x
  3. Step 3: Cross multiply
    33,069.28x = 45,641.16 × 31,975.78
  4. Step 4: Simplify right side
    33,069.28x = 1,459,411,691.10
  5. Step 5: Solve for x
    x = 1,459,411,691.10/33,069.28
  6. Step 6: Final answer
    x = 44,131.95

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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.