Home / 54,075.20-81,055.44-31,899.04

Finding the Fourth Proportional to 54,075.20, 81,055.44 and 31,899.04

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Solution

The fourth proportional to 54,075.20, 81,055.44 and 31,899.04 is: 47,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,075.20 : 81,055.44 = 31,899.04 : x
  2. Step 2: Convert to fraction form
    54,075.20/81,055.44 = 31,899.04/x
  3. Step 3: Cross multiply
    54,075.20x = 81,055.44 × 31,899.04
  4. Step 4: Simplify right side
    54,075.20x = 2,585,590,722.78
  5. Step 5: Solve for x
    x = 2,585,590,722.78/54,075.20
  6. Step 6: Final answer
    x = 47,814.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.