Home / 40,132.74-55,378.71-22,223.26

Finding the Fourth Proportional to 40,132.74, 55,378.71 and 22,223.26

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Solution

The fourth proportional to 40,132.74, 55,378.71 and 22,223.26 is: 30,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,132.74 : 55,378.71 = 22,223.26 : x
  2. Step 2: Convert to fraction form
    40,132.74/55,378.71 = 22,223.26/x
  3. Step 3: Cross multiply
    40,132.74x = 55,378.71 × 22,223.26
  4. Step 4: Simplify right side
    40,132.74x = 1,230,695,602.52
  5. Step 5: Solve for x
    x = 1,230,695,602.52/40,132.74
  6. Step 6: Final answer
    x = 30,665.63

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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.