Home / 54,356.00-75,015.86-30,487.19

Finding the Fourth Proportional to 54,356.00, 75,015.86 and 30,487.19

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Solution

The fourth proportional to 54,356.00, 75,015.86 and 30,487.19 is: 42,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,356.00 : 75,015.86 = 30,487.19 : x
  2. Step 2: Convert to fraction form
    54,356.00/75,015.86 = 30,487.19/x
  3. Step 3: Cross multiply
    54,356.00x = 75,015.86 × 30,487.19
  4. Step 4: Simplify right side
    54,356.00x = 2,287,022,249.32
  5. Step 5: Solve for x
    x = 2,287,022,249.32/54,356.00
  6. Step 6: Final answer
    x = 42,074.89

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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.