Home / 31,835.52-47,736.88-14,290.31

Finding the Fourth Proportional to 31,835.52, 47,736.88 and 14,290.31

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Solution

The fourth proportional to 31,835.52, 47,736.88 and 14,290.31 is: 21,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.52 : 47,736.88 = 14,290.31 : x
  2. Step 2: Convert to fraction form
    31,835.52/47,736.88 = 14,290.31/x
  3. Step 3: Cross multiply
    31,835.52x = 47,736.88 × 14,290.31
  4. Step 4: Simplify right side
    31,835.52x = 682,174,897.25
  5. Step 5: Solve for x
    x = 682,174,897.25/31,835.52
  6. Step 6: Final answer
    x = 21,428.11

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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.