Home / 48,535.12-66,965.38-28,396.95

Finding the Fourth Proportional to 48,535.12, 66,965.38 and 28,396.95

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Solution

The fourth proportional to 48,535.12, 66,965.38 and 28,396.95 is: 39,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,535.12 : 66,965.38 = 28,396.95 : x
  2. Step 2: Convert to fraction form
    48,535.12/66,965.38 = 28,396.95/x
  3. Step 3: Cross multiply
    48,535.12x = 66,965.38 × 28,396.95
  4. Step 4: Simplify right side
    48,535.12x = 1,901,612,385.21
  5. Step 5: Solve for x
    x = 1,901,612,385.21/48,535.12
  6. Step 6: Final answer
    x = 39,180.14

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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.