Home / 42,611.93-58,910.75-31,983.11

Finding the Fourth Proportional to 42,611.93, 58,910.75 and 31,983.11

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Solution

The fourth proportional to 42,611.93, 58,910.75 and 31,983.11 is: 44,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,611.93 : 58,910.75 = 31,983.11 : x
  2. Step 2: Convert to fraction form
    42,611.93/58,910.75 = 31,983.11/x
  3. Step 3: Cross multiply
    42,611.93x = 58,910.75 × 31,983.11
  4. Step 4: Simplify right side
    42,611.93x = 1,884,148,997.43
  5. Step 5: Solve for x
    x = 1,884,148,997.43/42,611.93
  6. Step 6: Final answer
    x = 44,216.47

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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.