Home / 48,280.32-66,631.68-29,419.20

Finding the Fourth Proportional to 48,280.32, 66,631.68 and 29,419.20

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Solution

The fourth proportional to 48,280.32, 66,631.68 and 29,419.20 is: 40,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,280.32 : 66,631.68 = 29,419.20 : x
  2. Step 2: Convert to fraction form
    48,280.32/66,631.68 = 29,419.20/x
  3. Step 3: Cross multiply
    48,280.32x = 66,631.68 × 29,419.20
  4. Step 4: Simplify right side
    48,280.32x = 1,960,250,720.26
  5. Step 5: Solve for x
    x = 1,960,250,720.26/48,280.32
  6. Step 6: Final answer
    x = 40,601.44

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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.