Home / 63,440.78-87,528.38-36,579.65

Finding the Fourth Proportional to 63,440.78, 87,528.38 and 36,579.65

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Solution

The fourth proportional to 63,440.78, 87,528.38 and 36,579.65 is: 50,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,440.78 : 87,528.38 = 36,579.65 : x
  2. Step 2: Convert to fraction form
    63,440.78/87,528.38 = 36,579.65/x
  3. Step 3: Cross multiply
    63,440.78x = 87,528.38 × 36,579.65
  4. Step 4: Simplify right side
    63,440.78x = 3,201,756,884.93
  5. Step 5: Solve for x
    x = 3,201,756,884.93/63,440.78
  6. Step 6: Final answer
    x = 50,468.44

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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.