Home / 31,228.50-46,839.30-7,854.93

Finding the Fourth Proportional to 31,228.50, 46,839.30 and 7,854.93

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Solution

The fourth proportional to 31,228.50, 46,839.30 and 7,854.93 is: 11,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,228.50 : 46,839.30 = 7,854.93 : x
  2. Step 2: Convert to fraction form
    31,228.50/46,839.30 = 7,854.93/x
  3. Step 3: Cross multiply
    31,228.50x = 46,839.30 × 7,854.93
  4. Step 4: Simplify right side
    31,228.50x = 367,919,422.75
  5. Step 5: Solve for x
    x = 367,919,422.75/31,228.50
  6. Step 6: Final answer
    x = 11,781.53

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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.