Home / 40,225.48-55,510.98-22,321.72

Finding the Fourth Proportional to 40,225.48, 55,510.98 and 22,321.72

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Solution

The fourth proportional to 40,225.48, 55,510.98 and 22,321.72 is: 30,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,225.48 : 55,510.98 = 22,321.72 : x
  2. Step 2: Convert to fraction form
    40,225.48/55,510.98 = 22,321.72/x
  3. Step 3: Cross multiply
    40,225.48x = 55,510.98 × 22,321.72
  4. Step 4: Simplify right side
    40,225.48x = 1,239,100,552.49
  5. Step 5: Solve for x
    x = 1,239,100,552.49/40,225.48
  6. Step 6: Final answer
    x = 30,803.87

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Double scale
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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.