Home / 39,929.26-55,102-22,024.39

Finding the Fourth Proportional to 39,929.26, 55,102 and 22,024.39

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Solution

The fourth proportional to 39,929.26, 55,102 and 22,024.39 is: 30,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929.26 : 55,102 = 22,024.39 : x
  2. Step 2: Convert to fraction form
    39,929.26/55,102 = 22,024.39/x
  3. Step 3: Cross multiply
    39,929.26x = 55,102 × 22,024.39
  4. Step 4: Simplify right side
    39,929.26x = 1,213,587,937.78
  5. Step 5: Solve for x
    x = 1,213,587,937.78/39,929.26
  6. Step 6: Final answer
    x = 30,393.45

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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.