Home / 40,219.14-55,496.16-22,991.25

Finding the Fourth Proportional to 40,219.14, 55,496.16 and 22,991.25

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Solution

The fourth proportional to 40,219.14, 55,496.16 and 22,991.25 is: 31,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,219.14 : 55,496.16 = 22,991.25 : x
  2. Step 2: Convert to fraction form
    40,219.14/55,496.16 = 22,991.25/x
  3. Step 3: Cross multiply
    40,219.14x = 55,496.16 × 22,991.25
  4. Step 4: Simplify right side
    40,219.14x = 1,275,926,088.60
  5. Step 5: Solve for x
    x = 1,275,926,088.60/40,219.14
  6. Step 6: Final answer
    x = 31,724.35

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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.