Home / 37,842.90-56,764.35-15,631.88

Finding the Fourth Proportional to 37,842.90, 56,764.35 and 15,631.88

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Solution

The fourth proportional to 37,842.90, 56,764.35 and 15,631.88 is: 23,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,842.90 : 56,764.35 = 15,631.88 : x
  2. Step 2: Convert to fraction form
    37,842.90/56,764.35 = 15,631.88/x
  3. Step 3: Cross multiply
    37,842.90x = 56,764.35 × 15,631.88
  4. Step 4: Simplify right side
    37,842.90x = 887,333,223.66
  5. Step 5: Solve for x
    x = 887,333,223.66/37,842.90
  6. Step 6: Final answer
    x = 23,447.81

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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.