Home / 40,741.38-61,111.58-11,159.19

Finding the Fourth Proportional to 40,741.38, 61,111.58 and 11,159.19

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Solution

The fourth proportional to 40,741.38, 61,111.58 and 11,159.19 is: 16,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,741.38 : 61,111.58 = 11,159.19 : x
  2. Step 2: Convert to fraction form
    40,741.38/61,111.58 = 11,159.19/x
  3. Step 3: Cross multiply
    40,741.38x = 61,111.58 × 11,159.19
  4. Step 4: Simplify right side
    40,741.38x = 681,955,676.62
  5. Step 5: Solve for x
    x = 681,955,676.62/40,741.38
  6. Step 6: Final answer
    x = 16,738.65

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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.