Home / 31,511.56-43,484.16-18,081.52

Finding the Fourth Proportional to 31,511.56, 43,484.16 and 18,081.52

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Solution

The fourth proportional to 31,511.56, 43,484.16 and 18,081.52 is: 24,951.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,511.56 : 43,484.16 = 18,081.52 : x
  2. Step 2: Convert to fraction form
    31,511.56/43,484.16 = 18,081.52/x
  3. Step 3: Cross multiply
    31,511.56x = 43,484.16 × 18,081.52
  4. Step 4: Simplify right side
    31,511.56x = 786,259,708.72
  5. Step 5: Solve for x
    x = 786,259,708.72/31,511.56
  6. Step 6: Final answer
    x = 24,951.47

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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.