Home / 48,211.20-66,532.32-26,990.40

Finding the Fourth Proportional to 48,211.20, 66,532.32 and 26,990.40

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Solution

The fourth proportional to 48,211.20, 66,532.32 and 26,990.40 is: 37,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,211.20 : 66,532.32 = 26,990.40 : x
  2. Step 2: Convert to fraction form
    48,211.20/66,532.32 = 26,990.40/x
  3. Step 3: Cross multiply
    48,211.20x = 66,532.32 × 26,990.40
  4. Step 4: Simplify right side
    48,211.20x = 1,795,733,929.73
  5. Step 5: Solve for x
    x = 1,795,733,929.73/48,211.20
  6. Step 6: Final answer
    x = 37,247.24

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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.