Home / 40,158.84-55,419.57-22,254.06

Finding the Fourth Proportional to 40,158.84, 55,419.57 and 22,254.06

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Solution

The fourth proportional to 40,158.84, 55,419.57 and 22,254.06 is: 30,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.84 : 55,419.57 = 22,254.06 : x
  2. Step 2: Convert to fraction form
    40,158.84/55,419.57 = 22,254.06/x
  3. Step 3: Cross multiply
    40,158.84x = 55,419.57 × 22,254.06
  4. Step 4: Simplify right side
    40,158.84x = 1,233,310,435.95
  5. Step 5: Solve for x
    x = 1,233,310,435.95/40,158.84
  6. Step 6: Final answer
    x = 30,710.81

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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.