Home / 48,009.44-66,234.72-31,009.04

Finding the Fourth Proportional to 48,009.44, 66,234.72 and 31,009.04

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Solution

The fourth proportional to 48,009.44, 66,234.72 and 31,009.04 is: 42,780.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,009.44 : 66,234.72 = 31,009.04 : x
  2. Step 2: Convert to fraction form
    48,009.44/66,234.72 = 31,009.04/x
  3. Step 3: Cross multiply
    48,009.44x = 66,234.72 × 31,009.04
  4. Step 4: Simplify right side
    48,009.44x = 2,053,875,081.87
  5. Step 5: Solve for x
    x = 2,053,875,081.87/48,009.44
  6. Step 6: Final answer
    x = 42,780.65

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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.