Home / 48,328.20-66,687.30-29,219.49

Finding the Fourth Proportional to 48,328.20, 66,687.30 and 29,219.49

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Solution

The fourth proportional to 48,328.20, 66,687.30 and 29,219.49 is: 40,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,328.20 : 66,687.30 = 29,219.49 : x
  2. Step 2: Convert to fraction form
    48,328.20/66,687.30 = 29,219.49/x
  3. Step 3: Cross multiply
    48,328.20x = 66,687.30 × 29,219.49
  4. Step 4: Simplify right side
    48,328.20x = 1,948,568,895.48
  5. Step 5: Solve for x
    x = 1,948,568,895.48/48,328.20
  6. Step 6: Final answer
    x = 40,319.50

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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.