Home / 53,132.06-73,319.40-30,469.97

Finding the Fourth Proportional to 53,132.06, 73,319.40 and 30,469.97

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Solution

The fourth proportional to 53,132.06, 73,319.40 and 30,469.97 is: 42,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,132.06 : 73,319.40 = 30,469.97 : x
  2. Step 2: Convert to fraction form
    53,132.06/73,319.40 = 30,469.97/x
  3. Step 3: Cross multiply
    53,132.06x = 73,319.40 × 30,469.97
  4. Step 4: Simplify right side
    53,132.06x = 2,234,039,551.82
  5. Step 5: Solve for x
    x = 2,234,039,551.82/53,132.06
  6. Step 6: Final answer
    x = 42,046.93

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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.