Home / 31,627.16-47,440.80-21,736.52

Finding the Fourth Proportional to 31,627.16, 47,440.80 and 21,736.52

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Solution

The fourth proportional to 31,627.16, 47,440.80 and 21,736.52 is: 32,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,627.16 : 47,440.80 = 21,736.52 : x
  2. Step 2: Convert to fraction form
    31,627.16/47,440.80 = 21,736.52/x
  3. Step 3: Cross multiply
    31,627.16x = 47,440.80 × 21,736.52
  4. Step 4: Simplify right side
    31,627.16x = 1,031,197,660.81
  5. Step 5: Solve for x
    x = 1,031,197,660.81/31,627.16
  6. Step 6: Final answer
    x = 32,604.82

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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.