Home / 31,887.27-47,829.69-13,162.50

Finding the Fourth Proportional to 31,887.27, 47,829.69 and 13,162.50

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Solution

The fourth proportional to 31,887.27, 47,829.69 and 13,162.50 is: 19,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,887.27 : 47,829.69 = 13,162.50 : x
  2. Step 2: Convert to fraction form
    31,887.27/47,829.69 = 13,162.50/x
  3. Step 3: Cross multiply
    31,887.27x = 47,829.69 × 13,162.50
  4. Step 4: Simplify right side
    31,887.27x = 629,558,294.63
  5. Step 5: Solve for x
    x = 629,558,294.63/31,887.27
  6. Step 6: Final answer
    x = 19,743.25

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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.