Home / 31,808.32-47,639.79-15,180.03

Finding the Fourth Proportional to 31,808.32, 47,639.79 and 15,180.03

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Solution

The fourth proportional to 31,808.32, 47,639.79 and 15,180.03 is: 22,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,808.32 : 47,639.79 = 15,180.03 : x
  2. Step 2: Convert to fraction form
    31,808.32/47,639.79 = 15,180.03/x
  3. Step 3: Cross multiply
    31,808.32x = 47,639.79 × 15,180.03
  4. Step 4: Simplify right side
    31,808.32x = 723,173,441.39
  5. Step 5: Solve for x
    x = 723,173,441.39/31,808.32
  6. Step 6: Final answer
    x = 22,735.36

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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.