Home / 54,591.12-75,329.64-30,726

Finding the Fourth Proportional to 54,591.12, 75,329.64 and 30,726

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Solution

The fourth proportional to 54,591.12, 75,329.64 and 30,726 is: 42,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,591.12 : 75,329.64 = 30,726 : x
  2. Step 2: Convert to fraction form
    54,591.12/75,329.64 = 30,726/x
  3. Step 3: Cross multiply
    54,591.12x = 75,329.64 × 30,726
  4. Step 4: Simplify right side
    54,591.12x = 2,314,578,518.64
  5. Step 5: Solve for x
    x = 2,314,578,518.64/54,591.12
  6. Step 6: Final answer
    x = 42,398.44

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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.