Home / 34,081.38-47,031.93-18,973.71

Finding the Fourth Proportional to 34,081.38, 47,031.93 and 18,973.71

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Solution

The fourth proportional to 34,081.38, 47,031.93 and 18,973.71 is: 26,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,081.38 : 47,031.93 = 18,973.71 : x
  2. Step 2: Convert to fraction form
    34,081.38/47,031.93 = 18,973.71/x
  3. Step 3: Cross multiply
    34,081.38x = 47,031.93 × 18,973.71
  4. Step 4: Simplify right side
    34,081.38x = 892,370,200.56
  5. Step 5: Solve for x
    x = 892,370,200.56/34,081.38
  6. Step 6: Final answer
    x = 26,183.51

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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.