Home / 31,313.55-43,213.05-17,886.59

Finding the Fourth Proportional to 31,313.55, 43,213.05 and 17,886.59

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Solution

The fourth proportional to 31,313.55, 43,213.05 and 17,886.59 is: 24,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.55 : 43,213.05 = 17,886.59 : x
  2. Step 2: Convert to fraction form
    31,313.55/43,213.05 = 17,886.59/x
  3. Step 3: Cross multiply
    31,313.55x = 43,213.05 × 17,886.59
  4. Step 4: Simplify right side
    31,313.55x = 772,933,891.93
  5. Step 5: Solve for x
    x = 772,933,891.93/31,313.55
  6. Step 6: Final answer
    x = 24,683.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.