Home / 31,344.04-47,023.84-15,556.48

Finding the Fourth Proportional to 31,344.04, 47,023.84 and 15,556.48

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Solution

The fourth proportional to 31,344.04, 47,023.84 and 15,556.48 is: 23,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.04 : 47,023.84 = 15,556.48 : x
  2. Step 2: Convert to fraction form
    31,344.04/47,023.84 = 15,556.48/x
  3. Step 3: Cross multiply
    31,344.04x = 47,023.84 × 15,556.48
  4. Step 4: Simplify right side
    31,344.04x = 731,525,460.62
  5. Step 5: Solve for x
    x = 731,525,460.62/31,344.04
  6. Step 6: Final answer
    x = 23,338.58

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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.