Home / 34,470.38-47,588.04-20,860.95

Finding the Fourth Proportional to 34,470.38, 47,588.04 and 20,860.95

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Solution

The fourth proportional to 34,470.38, 47,588.04 and 20,860.95 is: 28,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,470.38 : 47,588.04 = 20,860.95 : x
  2. Step 2: Convert to fraction form
    34,470.38/47,588.04 = 20,860.95/x
  3. Step 3: Cross multiply
    34,470.38x = 47,588.04 × 20,860.95
  4. Step 4: Simplify right side
    34,470.38x = 992,731,723.04
  5. Step 5: Solve for x
    x = 992,731,723.04/34,470.38
  6. Step 6: Final answer
    x = 28,799.56

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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.