Home / 32,639.36-45,049.56-18,500

Finding the Fourth Proportional to 32,639.36, 45,049.56 and 18,500

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Solution

The fourth proportional to 32,639.36, 45,049.56 and 18,500 is: 25,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,639.36 : 45,049.56 = 18,500 : x
  2. Step 2: Convert to fraction form
    32,639.36/45,049.56 = 18,500/x
  3. Step 3: Cross multiply
    32,639.36x = 45,049.56 × 18,500
  4. Step 4: Simplify right side
    32,639.36x = 833,416,860
  5. Step 5: Solve for x
    x = 833,416,860/32,639.36
  6. Step 6: Final answer
    x = 25,534.11

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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.