Home / 54,406.08-75,075.26-30,528.09

Finding the Fourth Proportional to 54,406.08, 75,075.26 and 30,528.09

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Solution

The fourth proportional to 54,406.08, 75,075.26 and 30,528.09 is: 42,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,406.08 : 75,075.26 = 30,528.09 : x
  2. Step 2: Convert to fraction form
    54,406.08/75,075.26 = 30,528.09/x
  3. Step 3: Cross multiply
    54,406.08x = 75,075.26 × 30,528.09
  4. Step 4: Simplify right side
    54,406.08x = 2,291,904,141.41
  5. Step 5: Solve for x
    x = 2,291,904,141.41/54,406.08
  6. Step 6: Final answer
    x = 42,125.88

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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.