Home / 34,329.32-47,358.73-20,722.53

Finding the Fourth Proportional to 34,329.32, 47,358.73 and 20,722.53

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Solution

The fourth proportional to 34,329.32, 47,358.73 and 20,722.53 is: 28,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,329.32 : 47,358.73 = 20,722.53 : x
  2. Step 2: Convert to fraction form
    34,329.32/47,358.73 = 20,722.53/x
  3. Step 3: Cross multiply
    34,329.32x = 47,358.73 × 20,722.53
  4. Step 4: Simplify right side
    34,329.32x = 981,392,790.12
  5. Step 5: Solve for x
    x = 981,392,790.12/34,329.32
  6. Step 6: Final answer
    x = 28,587.60

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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.