Home / 39,203.64-58,807.72-11,121.52

Finding the Fourth Proportional to 39,203.64, 58,807.72 and 11,121.52

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Solution

The fourth proportional to 39,203.64, 58,807.72 and 11,121.52 is: 16,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203.64 : 58,807.72 = 11,121.52 : x
  2. Step 2: Convert to fraction form
    39,203.64/58,807.72 = 11,121.52/x
  3. Step 3: Cross multiply
    39,203.64x = 58,807.72 × 11,121.52
  4. Step 4: Simplify right side
    39,203.64x = 654,031,234.13
  5. Step 5: Solve for x
    x = 654,031,234.13/39,203.64
  6. Step 6: Final answer
    x = 16,682.92

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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.