Home / 56,034.36-84,039.66-18,585.72

Finding the Fourth Proportional to 56,034.36, 84,039.66 and 18,585.72

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Solution

The fourth proportional to 56,034.36, 84,039.66 and 18,585.72 is: 27,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,034.36 : 84,039.66 = 18,585.72 : x
  2. Step 2: Convert to fraction form
    56,034.36/84,039.66 = 18,585.72/x
  3. Step 3: Cross multiply
    56,034.36x = 84,039.66 × 18,585.72
  4. Step 4: Simplify right side
    56,034.36x = 1,561,937,589.66
  5. Step 5: Solve for x
    x = 1,561,937,589.66/56,034.36
  6. Step 6: Final answer
    x = 27,874.64

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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.