Home / 31,893.14-47,808.50-11,888.02

Finding the Fourth Proportional to 31,893.14, 47,808.50 and 11,888.02

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Solution

The fourth proportional to 31,893.14, 47,808.50 and 11,888.02 is: 17,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,893.14 : 47,808.50 = 11,888.02 : x
  2. Step 2: Convert to fraction form
    31,893.14/47,808.50 = 11,888.02/x
  3. Step 3: Cross multiply
    31,893.14x = 47,808.50 × 11,888.02
  4. Step 4: Simplify right side
    31,893.14x = 568,348,235.87
  5. Step 5: Solve for x
    x = 568,348,235.87/31,893.14
  6. Step 6: Final answer
    x = 17,820.39

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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.