Home / 48,311.65-66,657.46-27,888.72

Finding the Fourth Proportional to 48,311.65, 66,657.46 and 27,888.72

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Solution

The fourth proportional to 48,311.65, 66,657.46 and 27,888.72 is: 38,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,311.65 : 66,657.46 = 27,888.72 : x
  2. Step 2: Convert to fraction form
    48,311.65/66,657.46 = 27,888.72/x
  3. Step 3: Cross multiply
    48,311.65x = 66,657.46 × 27,888.72
  4. Step 4: Simplify right side
    48,311.65x = 1,858,991,237.85
  5. Step 5: Solve for x
    x = 1,858,991,237.85/48,311.65
  6. Step 6: Final answer
    x = 38,479.15

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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.