Home / 55,271.43-76,274.64-30,120.93

Finding the Fourth Proportional to 55,271.43, 76,274.64 and 30,120.93

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Solution

The fourth proportional to 55,271.43, 76,274.64 and 30,120.93 is: 41,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271.43 : 76,274.64 = 30,120.93 : x
  2. Step 2: Convert to fraction form
    55,271.43/76,274.64 = 30,120.93/x
  3. Step 3: Cross multiply
    55,271.43x = 76,274.64 × 30,120.93
  4. Step 4: Simplify right side
    55,271.43x = 2,297,463,092.22
  5. Step 5: Solve for x
    x = 2,297,463,092.22/55,271.43
  6. Step 6: Final answer
    x = 41,566.92

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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.