Home / 40,170.29-55,434.06-23,174.57

Finding the Fourth Proportional to 40,170.29, 55,434.06 and 23,174.57

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Solution

The fourth proportional to 40,170.29, 55,434.06 and 23,174.57 is: 31,980.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.29 : 55,434.06 = 23,174.57 : x
  2. Step 2: Convert to fraction form
    40,170.29/55,434.06 = 23,174.57/x
  3. Step 3: Cross multiply
    40,170.29x = 55,434.06 × 23,174.57
  4. Step 4: Simplify right side
    40,170.29x = 1,284,660,642.44
  5. Step 5: Solve for x
    x = 1,284,660,642.44/40,170.29
  6. Step 6: Final answer
    x = 31,980.37

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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.