Home / 41,431.81-57,176-22,568.53

Finding the Fourth Proportional to 41,431.81, 57,176 and 22,568.53

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Solution

The fourth proportional to 41,431.81, 57,176 and 22,568.53 is: 31,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,431.81 : 57,176 = 22,568.53 : x
  2. Step 2: Convert to fraction form
    41,431.81/57,176 = 22,568.53/x
  3. Step 3: Cross multiply
    41,431.81x = 57,176 × 22,568.53
  4. Step 4: Simplify right side
    41,431.81x = 1,290,378,271.28
  5. Step 5: Solve for x
    x = 1,290,378,271.28/41,431.81
  6. Step 6: Final answer
    x = 31,144.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.