Home / 40,007.74-55,209-23,010.70

Finding the Fourth Proportional to 40,007.74, 55,209 and 23,010.70

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Solution

The fourth proportional to 40,007.74, 55,209 and 23,010.70 is: 31,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.74 : 55,209 = 23,010.70 : x
  2. Step 2: Convert to fraction form
    40,007.74/55,209 = 23,010.70/x
  3. Step 3: Cross multiply
    40,007.74x = 55,209 × 23,010.70
  4. Step 4: Simplify right side
    40,007.74x = 1,270,397,736.30
  5. Step 5: Solve for x
    x = 1,270,397,736.30/40,007.74
  6. Step 6: Final answer
    x = 31,753.80

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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.