Home / 55,147.80-82,763.43-40,395.06

Finding the Fourth Proportional to 55,147.80, 82,763.43 and 40,395.06

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Solution

The fourth proportional to 55,147.80, 82,763.43 and 40,395.06 is: 60,623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,147.80 : 82,763.43 = 40,395.06 : x
  2. Step 2: Convert to fraction form
    55,147.80/82,763.43 = 40,395.06/x
  3. Step 3: Cross multiply
    55,147.80x = 82,763.43 × 40,395.06
  4. Step 4: Simplify right side
    55,147.80x = 3,343,233,720.66
  5. Step 5: Solve for x
    x = 3,343,233,720.66/55,147.80
  6. Step 6: Final answer
    x = 60,623.16

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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.