Home / 40,119.46-55,348.65-23,114.59

Finding the Fourth Proportional to 40,119.46, 55,348.65 and 23,114.59

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Solution

The fourth proportional to 40,119.46, 55,348.65 and 23,114.59 is: 31,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.46 : 55,348.65 = 23,114.59 : x
  2. Step 2: Convert to fraction form
    40,119.46/55,348.65 = 23,114.59/x
  3. Step 3: Cross multiply
    40,119.46x = 55,348.65 × 23,114.59
  4. Step 4: Simplify right side
    40,119.46x = 1,279,361,351.80
  5. Step 5: Solve for x
    x = 1,279,361,351.80/40,119.46
  6. Step 6: Final answer
    x = 31,888.80

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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.