Home / 31,901.10-47,820.78-17,867.94

Finding the Fourth Proportional to 31,901.10, 47,820.78 and 17,867.94

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Solution

The fourth proportional to 31,901.10, 47,820.78 and 17,867.94 is: 26,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,901.10 : 47,820.78 = 17,867.94 : x
  2. Step 2: Convert to fraction form
    31,901.10/47,820.78 = 17,867.94/x
  3. Step 3: Cross multiply
    31,901.10x = 47,820.78 × 17,867.94
  4. Step 4: Simplify right side
    31,901.10x = 854,458,827.79
  5. Step 5: Solve for x
    x = 854,458,827.79/31,901.10
  6. Step 6: Final answer
    x = 26,784.62

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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.