Home / 48,891.98-67,475.28-28,738.76

Finding the Fourth Proportional to 48,891.98, 67,475.28 and 28,738.76

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Solution

The fourth proportional to 48,891.98, 67,475.28 and 28,738.76 is: 39,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,891.98 : 67,475.28 = 28,738.76 : x
  2. Step 2: Convert to fraction form
    48,891.98/67,475.28 = 28,738.76/x
  3. Step 3: Cross multiply
    48,891.98x = 67,475.28 × 28,738.76
  4. Step 4: Simplify right side
    48,891.98x = 1,939,155,877.85
  5. Step 5: Solve for x
    x = 1,939,155,877.85/48,891.98
  6. Step 6: Final answer
    x = 39,662.04

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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.