Home / 31,541.42-47,314.86-11,556.34

Finding the Fourth Proportional to 31,541.42, 47,314.86 and 11,556.34

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Solution

The fourth proportional to 31,541.42, 47,314.86 and 11,556.34 is: 17,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.42 : 47,314.86 = 11,556.34 : x
  2. Step 2: Convert to fraction form
    31,541.42/47,314.86 = 11,556.34/x
  3. Step 3: Cross multiply
    31,541.42x = 47,314.86 × 11,556.34
  4. Step 4: Simplify right side
    31,541.42x = 546,786,609.21
  5. Step 5: Solve for x
    x = 546,786,609.21/31,541.42
  6. Step 6: Final answer
    x = 17,335.51

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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.