Home / 31,899.60-47,818.53-17,866.44

Finding the Fourth Proportional to 31,899.60, 47,818.53 and 17,866.44

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Solution

The fourth proportional to 31,899.60, 47,818.53 and 17,866.44 is: 26,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,899.60 : 47,818.53 = 17,866.44 : x
  2. Step 2: Convert to fraction form
    31,899.60/47,818.53 = 17,866.44/x
  3. Step 3: Cross multiply
    31,899.60x = 47,818.53 × 17,866.44
  4. Step 4: Simplify right side
    31,899.60x = 854,346,897.13
  5. Step 5: Solve for x
    x = 854,346,897.13/31,899.60
  6. Step 6: Final answer
    x = 26,782.37

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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.