Home / 31,399.19-47,081.05-10,333.55

Finding the Fourth Proportional to 31,399.19, 47,081.05 and 10,333.55

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Solution

The fourth proportional to 31,399.19, 47,081.05 and 10,333.55 is: 15,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.19 : 47,081.05 = 10,333.55 : x
  2. Step 2: Convert to fraction form
    31,399.19/47,081.05 = 10,333.55/x
  3. Step 3: Cross multiply
    31,399.19x = 47,081.05 × 10,333.55
  4. Step 4: Simplify right side
    31,399.19x = 486,514,097.15
  5. Step 5: Solve for x
    x = 486,514,097.15/31,399.19
  6. Step 6: Final answer
    x = 15,494.48

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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.