Home / 31,741.70-47,610.65-14,206.82

Finding the Fourth Proportional to 31,741.70, 47,610.65 and 14,206.82

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Solution

The fourth proportional to 31,741.70, 47,610.65 and 14,206.82 is: 21,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,741.70 : 47,610.65 = 14,206.82 : x
  2. Step 2: Convert to fraction form
    31,741.70/47,610.65 = 14,206.82/x
  3. Step 3: Cross multiply
    31,741.70x = 47,610.65 × 14,206.82
  4. Step 4: Simplify right side
    31,741.70x = 676,395,732.10
  5. Step 5: Solve for x
    x = 676,395,732.10/31,741.70
  6. Step 6: Final answer
    x = 21,309.38

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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.