Home / 31,880.07-47,799.59-15,239.73

Finding the Fourth Proportional to 31,880.07, 47,799.59 and 15,239.73

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Solution

The fourth proportional to 31,880.07, 47,799.59 and 15,239.73 is: 22,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,880.07 : 47,799.59 = 15,239.73 : x
  2. Step 2: Convert to fraction form
    31,880.07/47,799.59 = 15,239.73/x
  3. Step 3: Cross multiply
    31,880.07x = 47,799.59 × 15,239.73
  4. Step 4: Simplify right side
    31,880.07x = 728,452,883.81
  5. Step 5: Solve for x
    x = 728,452,883.81/31,880.07
  6. Step 6: Final answer
    x = 22,849.79

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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.