Home / 34,399.06-47,480.55-20,260.12

Finding the Fourth Proportional to 34,399.06, 47,480.55 and 20,260.12

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Solution

The fourth proportional to 34,399.06, 47,480.55 and 20,260.12 is: 27,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,399.06 : 47,480.55 = 20,260.12 : x
  2. Step 2: Convert to fraction form
    34,399.06/47,480.55 = 20,260.12/x
  3. Step 3: Cross multiply
    34,399.06x = 47,480.55 × 20,260.12
  4. Step 4: Simplify right side
    34,399.06x = 961,961,640.67
  5. Step 5: Solve for x
    x = 961,961,640.67/34,399.06
  6. Step 6: Final answer
    x = 27,964.77

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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.