Home / 54,356.36-74,977.26-39,271.19

Finding the Fourth Proportional to 54,356.36, 74,977.26 and 39,271.19

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Solution

The fourth proportional to 54,356.36, 74,977.26 and 39,271.19 is: 54,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,356.36 : 74,977.26 = 39,271.19 : x
  2. Step 2: Convert to fraction form
    54,356.36/74,977.26 = 39,271.19/x
  3. Step 3: Cross multiply
    54,356.36x = 74,977.26 × 39,271.19
  4. Step 4: Simplify right side
    54,356.36x = 2,944,446,223.14
  5. Step 5: Solve for x
    x = 2,944,446,223.14/54,356.36
  6. Step 6: Final answer
    x = 54,169.30

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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.