Home / 39,928.77-55,102.05-22,024.41

Finding the Fourth Proportional to 39,928.77, 55,102.05 and 22,024.41

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Solution

The fourth proportional to 39,928.77, 55,102.05 and 22,024.41 is: 30,393.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.77 : 55,102.05 = 22,024.41 : x
  2. Step 2: Convert to fraction form
    39,928.77/55,102.05 = 22,024.41/x
  3. Step 3: Cross multiply
    39,928.77x = 55,102.05 × 22,024.41
  4. Step 4: Simplify right side
    39,928.77x = 1,213,590,141.04
  5. Step 5: Solve for x
    x = 1,213,590,141.04/39,928.77
  6. Step 6: Final answer
    x = 30,393.88

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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.