Home / 55,087.02-76,020.12-29,936.52

Finding the Fourth Proportional to 55,087.02, 76,020.12 and 29,936.52

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Solution

The fourth proportional to 55,087.02, 76,020.12 and 29,936.52 is: 41,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,087.02 : 76,020.12 = 29,936.52 : x
  2. Step 2: Convert to fraction form
    55,087.02/76,020.12 = 29,936.52/x
  3. Step 3: Cross multiply
    55,087.02x = 76,020.12 × 29,936.52
  4. Step 4: Simplify right side
    55,087.02x = 2,275,777,842.78
  5. Step 5: Solve for x
    x = 2,275,777,842.78/55,087.02
  6. Step 6: Final answer
    x = 41,312.42

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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.