Home / 73,977.63-110,967.24-21,387.57

Finding the Fourth Proportional to 73,977.63, 110,967.24 and 21,387.57

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Solution

The fourth proportional to 73,977.63, 110,967.24 and 21,387.57 is: 32,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,977.63 : 110,967.24 = 21,387.57 : x
  2. Step 2: Convert to fraction form
    73,977.63/110,967.24 = 21,387.57/x
  3. Step 3: Cross multiply
    73,977.63x = 110,967.24 × 21,387.57
  4. Step 4: Simplify right side
    73,977.63x = 2,373,319,613.21
  5. Step 5: Solve for x
    x = 2,373,319,613.21/73,977.63
  6. Step 6: Final answer
    x = 32,081.58

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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.