Home / 33,688.60-50,540.10-10,317.40

Finding the Fourth Proportional to 33,688.60, 50,540.10 and 10,317.40

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Solution

The fourth proportional to 33,688.60, 50,540.10 and 10,317.40 is: 15,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,688.60 : 50,540.10 = 10,317.40 : x
  2. Step 2: Convert to fraction form
    33,688.60/50,540.10 = 10,317.40/x
  3. Step 3: Cross multiply
    33,688.60x = 50,540.10 × 10,317.40
  4. Step 4: Simplify right side
    33,688.60x = 521,442,427.74
  5. Step 5: Solve for x
    x = 521,442,427.74/33,688.60
  6. Step 6: Final answer
    x = 15,478.31

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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.