Home / 40,224.61-55,510.35-22,321.28

Finding the Fourth Proportional to 40,224.61, 55,510.35 and 22,321.28

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Solution

The fourth proportional to 40,224.61, 55,510.35 and 22,321.28 is: 30,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,224.61 : 55,510.35 = 22,321.28 : x
  2. Step 2: Convert to fraction form
    40,224.61/55,510.35 = 22,321.28/x
  3. Step 3: Cross multiply
    40,224.61x = 55,510.35 × 22,321.28
  4. Step 4: Simplify right side
    40,224.61x = 1,239,062,120.32
  5. Step 5: Solve for x
    x = 1,239,062,120.32/40,224.61
  6. Step 6: Final answer
    x = 30,803.58

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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.