Home / 31,475.30-43,441.74-18,046.65

Finding the Fourth Proportional to 31,475.30, 43,441.74 and 18,046.65

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Solution

The fourth proportional to 31,475.30, 43,441.74 and 18,046.65 is: 24,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.30 : 43,441.74 = 18,046.65 : x
  2. Step 2: Convert to fraction form
    31,475.30/43,441.74 = 18,046.65/x
  3. Step 3: Cross multiply
    31,475.30x = 43,441.74 × 18,046.65
  4. Step 4: Simplify right side
    31,475.30x = 783,977,877.17
  5. Step 5: Solve for x
    x = 783,977,877.17/31,475.30
  6. Step 6: Final answer
    x = 24,907.72

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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.