Home / 54,429.27-75,108.36-30,559.60

Finding the Fourth Proportional to 54,429.27, 75,108.36 and 30,559.60

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Solution

The fourth proportional to 54,429.27, 75,108.36 and 30,559.60 is: 42,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.27 : 75,108.36 = 30,559.60 : x
  2. Step 2: Convert to fraction form
    54,429.27/75,108.36 = 30,559.60/x
  3. Step 3: Cross multiply
    54,429.27x = 75,108.36 × 30,559.60
  4. Step 4: Simplify right side
    54,429.27x = 2,295,281,438.26
  5. Step 5: Solve for x
    x = 2,295,281,438.26/54,429.27
  6. Step 6: Final answer
    x = 42,169.98

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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.