Home / 40,165.26-55,421.78-23,170.14

Finding the Fourth Proportional to 40,165.26, 55,421.78 and 23,170.14

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Solution

The fourth proportional to 40,165.26, 55,421.78 and 23,170.14 is: 31,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,165.26 : 55,421.78 = 23,170.14 : x
  2. Step 2: Convert to fraction form
    40,165.26/55,421.78 = 23,170.14/x
  3. Step 3: Cross multiply
    40,165.26x = 55,421.78 × 23,170.14
  4. Step 4: Simplify right side
    40,165.26x = 1,284,130,401.65
  5. Step 5: Solve for x
    x = 1,284,130,401.65/40,165.26
  6. Step 6: Final answer
    x = 31,971.17

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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.