Home / 39,151.80-58,731.30-11,071.80

Finding the Fourth Proportional to 39,151.80, 58,731.30 and 11,071.80

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Solution

The fourth proportional to 39,151.80, 58,731.30 and 11,071.80 is: 16,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151.80 : 58,731.30 = 11,071.80 : x
  2. Step 2: Convert to fraction form
    39,151.80/58,731.30 = 11,071.80/x
  3. Step 3: Cross multiply
    39,151.80x = 58,731.30 × 11,071.80
  4. Step 4: Simplify right side
    39,151.80x = 650,261,207.34
  5. Step 5: Solve for x
    x = 650,261,207.34/39,151.80
  6. Step 6: Final answer
    x = 16,608.72

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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.