Home / 49,618.51-74,430.20-20,032.65

Finding the Fourth Proportional to 49,618.51, 74,430.20 and 20,032.65

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Solution

The fourth proportional to 49,618.51, 74,430.20 and 20,032.65 is: 30,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,618.51 : 74,430.20 = 20,032.65 : x
  2. Step 2: Convert to fraction form
    49,618.51/74,430.20 = 20,032.65/x
  3. Step 3: Cross multiply
    49,618.51x = 74,430.20 × 20,032.65
  4. Step 4: Simplify right side
    49,618.51x = 1,491,034,146.03
  5. Step 5: Solve for x
    x = 1,491,034,146.03/49,618.51
  6. Step 6: Final answer
    x = 30,049.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.