Home / 35,745.86-49,332.29-19,830.03

Finding the Fourth Proportional to 35,745.86, 49,332.29 and 19,830.03

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Solution

The fourth proportional to 35,745.86, 49,332.29 and 19,830.03 is: 27,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,745.86 : 49,332.29 = 19,830.03 : x
  2. Step 2: Convert to fraction form
    35,745.86/49,332.29 = 19,830.03/x
  3. Step 3: Cross multiply
    35,745.86x = 49,332.29 × 19,830.03
  4. Step 4: Simplify right side
    35,745.86x = 978,260,691.52
  5. Step 5: Solve for x
    x = 978,260,691.52/35,745.86
  6. Step 6: Final answer
    x = 27,367.11

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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.