Home / 54,389.80-75,057.78-30,516.58

Finding the Fourth Proportional to 54,389.80, 75,057.78 and 30,516.58

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Solution

The fourth proportional to 54,389.80, 75,057.78 and 30,516.58 is: 42,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389.80 : 75,057.78 = 30,516.58 : x
  2. Step 2: Convert to fraction form
    54,389.80/75,057.78 = 30,516.58/x
  3. Step 3: Cross multiply
    54,389.80x = 75,057.78 × 30,516.58
  4. Step 4: Simplify right side
    54,389.80x = 2,290,506,747.99
  5. Step 5: Solve for x
    x = 2,290,506,747.99/54,389.80
  6. Step 6: Final answer
    x = 42,112.80

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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.