Home / 35,838-49,454.10-19,921.86

Finding the Fourth Proportional to 35,838, 49,454.10 and 19,921.86

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Solution

The fourth proportional to 35,838, 49,454.10 and 19,921.86 is: 27,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,838 : 49,454.10 = 19,921.86 : x
  2. Step 2: Convert to fraction form
    35,838/49,454.10 = 19,921.86/x
  3. Step 3: Cross multiply
    35,838x = 49,454.10 × 19,921.86
  4. Step 4: Simplify right side
    35,838x = 985,217,656.63
  5. Step 5: Solve for x
    x = 985,217,656.63/35,838
  6. Step 6: Final answer
    x = 27,490.87

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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.