Home / 54,509.00-75,218.68-30,639.26

Finding the Fourth Proportional to 54,509.00, 75,218.68 and 30,639.26

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Solution

The fourth proportional to 54,509.00, 75,218.68 and 30,639.26 is: 42,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,509.00 : 75,218.68 = 30,639.26 : x
  2. Step 2: Convert to fraction form
    54,509.00/75,218.68 = 30,639.26/x
  3. Step 3: Cross multiply
    54,509.00x = 75,218.68 × 30,639.26
  4. Step 4: Simplify right side
    54,509.00x = 2,304,644,747.38
  5. Step 5: Solve for x
    x = 2,304,644,747.38/54,509.00
  6. Step 6: Final answer
    x = 42,280.08

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1.5x scale

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.