Home / 34,859.04-48,109.56-20,711.88

Finding the Fourth Proportional to 34,859.04, 48,109.56 and 20,711.88

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Solution

The fourth proportional to 34,859.04, 48,109.56 and 20,711.88 is: 28,584.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.04 : 48,109.56 = 20,711.88 : x
  2. Step 2: Convert to fraction form
    34,859.04/48,109.56 = 20,711.88/x
  3. Step 3: Cross multiply
    34,859.04x = 48,109.56 × 20,711.88
  4. Step 4: Simplify right side
    34,859.04x = 996,439,433.57
  5. Step 5: Solve for x
    x = 996,439,433.57/34,859.04
  6. Step 6: Final answer
    x = 28,584.82

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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.