Home / 40,015.16-55,218.08-22,110

Finding the Fourth Proportional to 40,015.16, 55,218.08 and 22,110

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Solution

The fourth proportional to 40,015.16, 55,218.08 and 22,110 is: 30,510.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,015.16 : 55,218.08 = 22,110 : x
  2. Step 2: Convert to fraction form
    40,015.16/55,218.08 = 22,110/x
  3. Step 3: Cross multiply
    40,015.16x = 55,218.08 × 22,110
  4. Step 4: Simplify right side
    40,015.16x = 1,220,871,748.80
  5. Step 5: Solve for x
    x = 1,220,871,748.80/40,015.16
  6. Step 6: Final answer
    x = 30,510.23

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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.