Home / 39,351.09-54,305.61-22,355.85

Finding the Fourth Proportional to 39,351.09, 54,305.61 and 22,355.85

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Solution

The fourth proportional to 39,351.09, 54,305.61 and 22,355.85 is: 30,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.09 : 54,305.61 = 22,355.85 : x
  2. Step 2: Convert to fraction form
    39,351.09/54,305.61 = 22,355.85/x
  3. Step 3: Cross multiply
    39,351.09x = 54,305.61 × 22,355.85
  4. Step 4: Simplify right side
    39,351.09x = 1,214,048,071.32
  5. Step 5: Solve for x
    x = 1,214,048,071.32/39,351.09
  6. Step 6: Final answer
    x = 30,851.70

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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.