Home / 33,869.88-46,719.66-20,432.52

Finding the Fourth Proportional to 33,869.88, 46,719.66 and 20,432.52

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Solution

The fourth proportional to 33,869.88, 46,719.66 and 20,432.52 is: 28,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,869.88 : 46,719.66 = 20,432.52 : x
  2. Step 2: Convert to fraction form
    33,869.88/46,719.66 = 20,432.52/x
  3. Step 3: Cross multiply
    33,869.88x = 46,719.66 × 20,432.52
  4. Step 4: Simplify right side
    33,869.88x = 954,600,387.34
  5. Step 5: Solve for x
    x = 954,600,387.34/33,869.88
  6. Step 6: Final answer
    x = 28,184.35

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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.