Home / 56,091.71-84,119.35-18,641.72

Finding the Fourth Proportional to 56,091.71, 84,119.35 and 18,641.72

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Solution

The fourth proportional to 56,091.71, 84,119.35 and 18,641.72 is: 27,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,091.71 : 84,119.35 = 18,641.72 : x
  2. Step 2: Convert to fraction form
    56,091.71/84,119.35 = 18,641.72/x
  3. Step 3: Cross multiply
    56,091.71x = 84,119.35 × 18,641.72
  4. Step 4: Simplify right side
    56,091.71x = 1,568,129,369.28
  5. Step 5: Solve for x
    x = 1,568,129,369.28/56,091.71
  6. Step 6: Final answer
    x = 27,956.53

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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.