Home / 31,627.04-47,408.16-11,891.84

Finding the Fourth Proportional to 31,627.04, 47,408.16 and 11,891.84

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Solution

The fourth proportional to 31,627.04, 47,408.16 and 11,891.84 is: 17,825.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,627.04 : 47,408.16 = 11,891.84 : x
  2. Step 2: Convert to fraction form
    31,627.04/47,408.16 = 11,891.84/x
  3. Step 3: Cross multiply
    31,627.04x = 47,408.16 × 11,891.84
  4. Step 4: Simplify right side
    31,627.04x = 563,770,253.41
  5. Step 5: Solve for x
    x = 563,770,253.41/31,627.04
  6. Step 6: Final answer
    x = 17,825.58

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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.