Home / 40,033.83-59,963.27-20,278.47

Finding the Fourth Proportional to 40,033.83, 59,963.27 and 20,278.47

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Solution

The fourth proportional to 40,033.83, 59,963.27 and 20,278.47 is: 30,373.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,033.83 : 59,963.27 = 20,278.47 : x
  2. Step 2: Convert to fraction form
    40,033.83/59,963.27 = 20,278.47/x
  3. Step 3: Cross multiply
    40,033.83x = 59,963.27 × 20,278.47
  4. Step 4: Simplify right side
    40,033.83x = 1,215,963,270.40
  5. Step 5: Solve for x
    x = 1,215,963,270.40/40,033.83
  6. Step 6: Final answer
    x = 30,373.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.