Home / 34,396.92-47,476.20-20,975.58

Finding the Fourth Proportional to 34,396.92, 47,476.20 and 20,975.58

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Solution

The fourth proportional to 34,396.92, 47,476.20 and 20,975.58 is: 28,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,396.92 : 47,476.20 = 20,975.58 : x
  2. Step 2: Convert to fraction form
    34,396.92/47,476.20 = 20,975.58/x
  3. Step 3: Cross multiply
    34,396.92x = 47,476.20 × 20,975.58
  4. Step 4: Simplify right side
    34,396.92x = 995,840,831.20
  5. Step 5: Solve for x
    x = 995,840,831.20/34,396.92
  6. Step 6: Final answer
    x = 28,951.45

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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.