Home / 55,741.20-76,864.21-42,996.45

Finding the Fourth Proportional to 55,741.20, 76,864.21 and 42,996.45

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Solution

The fourth proportional to 55,741.20, 76,864.21 and 42,996.45 is: 59,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,741.20 : 76,864.21 = 42,996.45 : x
  2. Step 2: Convert to fraction form
    55,741.20/76,864.21 = 42,996.45/x
  3. Step 3: Cross multiply
    55,741.20x = 76,864.21 × 42,996.45
  4. Step 4: Simplify right side
    55,741.20x = 3,304,888,162.05
  5. Step 5: Solve for x
    x = 3,304,888,162.05/55,741.20
  6. Step 6: Final answer
    x = 59,289.86

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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.