Home / 34,357.92-47,404.26-20,929.56

Finding the Fourth Proportional to 34,357.92, 47,404.26 and 20,929.56

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Solution

The fourth proportional to 34,357.92, 47,404.26 and 20,929.56 is: 28,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,357.92 : 47,404.26 = 20,929.56 : x
  2. Step 2: Convert to fraction form
    34,357.92/47,404.26 = 20,929.56/x
  3. Step 3: Cross multiply
    34,357.92x = 47,404.26 × 20,929.56
  4. Step 4: Simplify right side
    34,357.92x = 992,150,303.93
  5. Step 5: Solve for x
    x = 992,150,303.93/34,357.92
  6. Step 6: Final answer
    x = 28,876.90

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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.