Home / 31,881.07-47,801.09-15,240.73

Finding the Fourth Proportional to 31,881.07, 47,801.09 and 15,240.73

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Solution

The fourth proportional to 31,881.07, 47,801.09 and 15,240.73 is: 22,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,881.07 : 47,801.09 = 15,240.73 : x
  2. Step 2: Convert to fraction form
    31,881.07/47,801.09 = 15,240.73/x
  3. Step 3: Cross multiply
    31,881.07x = 47,801.09 × 15,240.73
  4. Step 4: Simplify right side
    31,881.07x = 728,523,506.40
  5. Step 5: Solve for x
    x = 728,523,506.40/31,881.07
  6. Step 6: Final answer
    x = 22,851.29

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1.5x scale

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.