Home / 48,778.29-67,312.66-28,634.85

Finding the Fourth Proportional to 48,778.29, 67,312.66 and 28,634.85

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Solution

The fourth proportional to 48,778.29, 67,312.66 and 28,634.85 is: 39,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,778.29 : 67,312.66 = 28,634.85 : x
  2. Step 2: Convert to fraction form
    48,778.29/67,312.66 = 28,634.85/x
  3. Step 3: Cross multiply
    48,778.29x = 67,312.66 × 28,634.85
  4. Step 4: Simplify right side
    48,778.29x = 1,927,487,922.20
  5. Step 5: Solve for x
    x = 1,927,487,922.20/48,778.29
  6. Step 6: Final answer
    x = 39,515.28

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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.