Home / 51,788.67-71,466.80-29,128.92

Finding the Fourth Proportional to 51,788.67, 71,466.80 and 29,128.92

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Solution

The fourth proportional to 51,788.67, 71,466.80 and 29,128.92 is: 40,197.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,788.67 : 71,466.80 = 29,128.92 : x
  2. Step 2: Convert to fraction form
    51,788.67/71,466.80 = 29,128.92/x
  3. Step 3: Cross multiply
    51,788.67x = 71,466.80 × 29,128.92
  4. Step 4: Simplify right side
    51,788.67x = 2,081,750,342.52
  5. Step 5: Solve for x
    x = 2,081,750,342.52/51,788.67
  6. Step 6: Final answer
    x = 40,197.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.