Home / 35,901.82-49,543.41-19,985.86

Finding the Fourth Proportional to 35,901.82, 49,543.41 and 19,985.86

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Solution

The fourth proportional to 35,901.82, 49,543.41 and 19,985.86 is: 27,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,901.82 : 49,543.41 = 19,985.86 : x
  2. Step 2: Convert to fraction form
    35,901.82/49,543.41 = 19,985.86/x
  3. Step 3: Cross multiply
    35,901.82x = 49,543.41 × 19,985.86
  4. Step 4: Simplify right side
    35,901.82x = 990,167,656.18
  5. Step 5: Solve for x
    x = 990,167,656.18/35,901.82
  6. Step 6: Final answer
    x = 27,579.87

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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.