Home / 54,820.42-82,232.60-28,159.22

Finding the Fourth Proportional to 54,820.42, 82,232.60 and 28,159.22

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Solution

The fourth proportional to 54,820.42, 82,232.60 and 28,159.22 is: 42,239.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,820.42 : 82,232.60 = 28,159.22 : x
  2. Step 2: Convert to fraction form
    54,820.42/82,232.60 = 28,159.22/x
  3. Step 3: Cross multiply
    54,820.42x = 82,232.60 × 28,159.22
  4. Step 4: Simplify right side
    54,820.42x = 2,315,605,874.57
  5. Step 5: Solve for x
    x = 2,315,605,874.57/54,820.42
  6. Step 6: Final answer
    x = 42,239.84

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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.