Home / 40,161.51-60,181.25-31,806.63

Finding the Fourth Proportional to 40,161.51, 60,181.25 and 31,806.63

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Solution

The fourth proportional to 40,161.51, 60,181.25 and 31,806.63 is: 47,661.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161.51 : 60,181.25 = 31,806.63 : x
  2. Step 2: Convert to fraction form
    40,161.51/60,181.25 = 31,806.63/x
  3. Step 3: Cross multiply
    40,161.51x = 60,181.25 × 31,806.63
  4. Step 4: Simplify right side
    40,161.51x = 1,914,162,592.65
  5. Step 5: Solve for x
    x = 1,914,162,592.65/40,161.51
  6. Step 6: Final answer
    x = 47,661.62

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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.