Home / 40,141.78-55,381.22-24,220.42

Finding the Fourth Proportional to 40,141.78, 55,381.22 and 24,220.42

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Solution

The fourth proportional to 40,141.78, 55,381.22 and 24,220.42 is: 33,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,141.78 : 55,381.22 = 24,220.42 : x
  2. Step 2: Convert to fraction form
    40,141.78/55,381.22 = 24,220.42/x
  3. Step 3: Cross multiply
    40,141.78x = 55,381.22 × 24,220.42
  4. Step 4: Simplify right side
    40,141.78x = 1,341,356,239.78
  5. Step 5: Solve for x
    x = 1,341,356,239.78/40,141.78
  6. Step 6: Final answer
    x = 33,415.47

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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.