Home / 40,221.84-55,505.29-22,316.46

Finding the Fourth Proportional to 40,221.84, 55,505.29 and 22,316.46

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Solution

The fourth proportional to 40,221.84, 55,505.29 and 22,316.46 is: 30,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.84 : 55,505.29 = 22,316.46 : x
  2. Step 2: Convert to fraction form
    40,221.84/55,505.29 = 22,316.46/x
  3. Step 3: Cross multiply
    40,221.84x = 55,505.29 × 22,316.46
  4. Step 4: Simplify right side
    40,221.84x = 1,238,681,320.14
  5. Step 5: Solve for x
    x = 1,238,681,320.14/40,221.84
  6. Step 6: Final answer
    x = 30,796.24

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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.