Home / 31,555.44-43,730.58-31,110

Finding the Fourth Proportional to 31,555.44, 43,730.58 and 31,110

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Solution

The fourth proportional to 31,555.44, 43,730.58 and 31,110 is: 43,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,555.44 : 43,730.58 = 31,110 : x
  2. Step 2: Convert to fraction form
    31,555.44/43,730.58 = 31,110/x
  3. Step 3: Cross multiply
    31,555.44x = 43,730.58 × 31,110
  4. Step 4: Simplify right side
    31,555.44x = 1,360,458,343.80
  5. Step 5: Solve for x
    x = 1,360,458,343.80/31,555.44
  6. Step 6: Final answer
    x = 43,113.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.