Home / 45,935.60-63,374.12-28,935.28

Finding the Fourth Proportional to 45,935.60, 63,374.12 and 28,935.28

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Solution

The fourth proportional to 45,935.60, 63,374.12 and 28,935.28 is: 39,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,935.60 : 63,374.12 = 28,935.28 : x
  2. Step 2: Convert to fraction form
    45,935.60/63,374.12 = 28,935.28/x
  3. Step 3: Cross multiply
    45,935.60x = 63,374.12 × 28,935.28
  4. Step 4: Simplify right side
    45,935.60x = 1,833,747,906.95
  5. Step 5: Solve for x
    x = 1,833,747,906.95/45,935.60
  6. Step 6: Final answer
    x = 39,919.97

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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.