Home / 34,640.28-47,803.77-20,308.56

Finding the Fourth Proportional to 34,640.28, 47,803.77 and 20,308.56

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Solution

The fourth proportional to 34,640.28, 47,803.77 and 20,308.56 is: 28,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,640.28 : 47,803.77 = 20,308.56 : x
  2. Step 2: Convert to fraction form
    34,640.28/47,803.77 = 20,308.56/x
  3. Step 3: Cross multiply
    34,640.28x = 47,803.77 × 20,308.56
  4. Step 4: Simplify right side
    34,640.28x = 970,825,731.27
  5. Step 5: Solve for x
    x = 970,825,731.27/34,640.28
  6. Step 6: Final answer
    x = 28,025.92

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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.