Home / 31,568.76-47,352.60-11,579.76

Finding the Fourth Proportional to 31,568.76, 47,352.60 and 11,579.76

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Solution

The fourth proportional to 31,568.76, 47,352.60 and 11,579.76 is: 17,369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,568.76 : 47,352.60 = 11,579.76 : x
  2. Step 2: Convert to fraction form
    31,568.76/47,352.60 = 11,579.76/x
  3. Step 3: Cross multiply
    31,568.76x = 47,352.60 × 11,579.76
  4. Step 4: Simplify right side
    31,568.76x = 548,331,743.38
  5. Step 5: Solve for x
    x = 548,331,743.38/31,568.76
  6. Step 6: Final answer
    x = 17,369.44

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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.