Home / 54,364.50-75,022.61-30,491.15

Finding the Fourth Proportional to 54,364.50, 75,022.61 and 30,491.15

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Solution

The fourth proportional to 54,364.50, 75,022.61 and 30,491.15 is: 42,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,364.50 : 75,022.61 = 30,491.15 : x
  2. Step 2: Convert to fraction form
    54,364.50/75,022.61 = 30,491.15/x
  3. Step 3: Cross multiply
    54,364.50x = 75,022.61 × 30,491.15
  4. Step 4: Simplify right side
    54,364.50x = 2,287,525,127.33
  5. Step 5: Solve for x
    x = 2,287,525,127.33/54,364.50
  6. Step 6: Final answer
    x = 42,077.55

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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.