Home / 39,470.20-59,209.25-11,390.94

Finding the Fourth Proportional to 39,470.20, 59,209.25 and 11,390.94

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Solution

The fourth proportional to 39,470.20, 59,209.25 and 11,390.94 is: 17,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,470.20 : 59,209.25 = 11,390.94 : x
  2. Step 2: Convert to fraction form
    39,470.20/59,209.25 = 11,390.94/x
  3. Step 3: Cross multiply
    39,470.20x = 59,209.25 × 11,390.94
  4. Step 4: Simplify right side
    39,470.20x = 674,449,171.82
  5. Step 5: Solve for x
    x = 674,449,171.82/39,470.20
  6. Step 6: Final answer
    x = 17,087.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.