Home / 48,643.32-67,144.36-28,506.60

Finding the Fourth Proportional to 48,643.32, 67,144.36 and 28,506.60

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Solution

The fourth proportional to 48,643.32, 67,144.36 and 28,506.60 is: 39,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,643.32 : 67,144.36 = 28,506.60 : x
  2. Step 2: Convert to fraction form
    48,643.32/67,144.36 = 28,506.60/x
  3. Step 3: Cross multiply
    48,643.32x = 67,144.36 × 28,506.60
  4. Step 4: Simplify right side
    48,643.32x = 1,914,057,412.78
  5. Step 5: Solve for x
    x = 1,914,057,412.78/48,643.32
  6. Step 6: Final answer
    x = 39,348.82

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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.