Home / 31,512.54-47,243.30-11,788.23

Finding the Fourth Proportional to 31,512.54, 47,243.30 and 11,788.23

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Solution

The fourth proportional to 31,512.54, 47,243.30 and 11,788.23 is: 17,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.54 : 47,243.30 = 11,788.23 : x
  2. Step 2: Convert to fraction form
    31,512.54/47,243.30 = 11,788.23/x
  3. Step 3: Cross multiply
    31,512.54x = 47,243.30 × 11,788.23
  4. Step 4: Simplify right side
    31,512.54x = 556,914,827.42
  5. Step 5: Solve for x
    x = 556,914,827.42/31,512.54
  6. Step 6: Final answer
    x = 17,672.80

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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.