Home / 55,292.99-76,304.57-31,420.94

Finding the Fourth Proportional to 55,292.99, 76,304.57 and 31,420.94

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Solution

The fourth proportional to 55,292.99, 76,304.57 and 31,420.94 is: 43,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,292.99 : 76,304.57 = 31,420.94 : x
  2. Step 2: Convert to fraction form
    55,292.99/76,304.57 = 31,420.94/x
  3. Step 3: Cross multiply
    55,292.99x = 76,304.57 × 31,420.94
  4. Step 4: Simplify right side
    55,292.99x = 2,397,560,777.07
  5. Step 5: Solve for x
    x = 2,397,560,777.07/55,292.99
  6. Step 6: Final answer
    x = 43,361.03

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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.