Home / 49,561.76-74,310.29-28,215.12

Finding the Fourth Proportional to 49,561.76, 74,310.29 and 28,215.12

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Solution

The fourth proportional to 49,561.76, 74,310.29 and 28,215.12 is: 42,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,561.76 : 74,310.29 = 28,215.12 : x
  2. Step 2: Convert to fraction form
    49,561.76/74,310.29 = 28,215.12/x
  3. Step 3: Cross multiply
    49,561.76x = 74,310.29 × 28,215.12
  4. Step 4: Simplify right side
    49,561.76x = 2,096,673,749.58
  5. Step 5: Solve for x
    x = 2,096,673,749.58/49,561.76
  6. Step 6: Final answer
    x = 42,304.26

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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.