Home / 55,387.80-82,997.64-40,606.56

Finding the Fourth Proportional to 55,387.80, 82,997.64 and 40,606.56

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Solution

The fourth proportional to 55,387.80, 82,997.64 and 40,606.56 is: 60,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,387.80 : 82,997.64 = 40,606.56 : x
  2. Step 2: Convert to fraction form
    55,387.80/82,997.64 = 40,606.56/x
  3. Step 3: Cross multiply
    55,387.80x = 82,997.64 × 40,606.56
  4. Step 4: Simplify right side
    55,387.80x = 3,370,248,648.52
  5. Step 5: Solve for x
    x = 3,370,248,648.52/55,387.80
  6. Step 6: Final answer
    x = 60,848.21

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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.