Home / 48,257.85-66,626.90-39,326.70

Finding the Fourth Proportional to 48,257.85, 66,626.90 and 39,326.70

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Solution

The fourth proportional to 48,257.85, 66,626.90 and 39,326.70 is: 54,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,257.85 : 66,626.90 = 39,326.70 : x
  2. Step 2: Convert to fraction form
    48,257.85/66,626.90 = 39,326.70/x
  3. Step 3: Cross multiply
    48,257.85x = 66,626.90 × 39,326.70
  4. Step 4: Simplify right side
    48,257.85x = 2,620,216,108.23
  5. Step 5: Solve for x
    x = 2,620,216,108.23/48,257.85
  6. Step 6: Final answer
    x = 54,296.16

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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.