Home / 45,732.24-63,120.60-28,962

Finding the Fourth Proportional to 45,732.24, 63,120.60 and 28,962

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Solution

The fourth proportional to 45,732.24, 63,120.60 and 28,962 is: 39,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,732.24 : 63,120.60 = 28,962 : x
  2. Step 2: Convert to fraction form
    45,732.24/63,120.60 = 28,962/x
  3. Step 3: Cross multiply
    45,732.24x = 63,120.60 × 28,962
  4. Step 4: Simplify right side
    45,732.24x = 1,828,098,817.20
  5. Step 5: Solve for x
    x = 1,828,098,817.20/45,732.24
  6. Step 6: Final answer
    x = 39,973.96

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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.