Home / 31,930.86-47,808.63-25,993.84

Finding the Fourth Proportional to 31,930.86, 47,808.63 and 25,993.84

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Solution

The fourth proportional to 31,930.86, 47,808.63 and 25,993.84 is: 38,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,930.86 : 47,808.63 = 25,993.84 : x
  2. Step 2: Convert to fraction form
    31,930.86/47,808.63 = 25,993.84/x
  3. Step 3: Cross multiply
    31,930.86x = 47,808.63 × 25,993.84
  4. Step 4: Simplify right side
    31,930.86x = 1,242,729,878.84
  5. Step 5: Solve for x
    x = 1,242,729,878.84/31,930.86
  6. Step 6: Final answer
    x = 38,919.40

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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.