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Finding the Fourth Proportional to 48,787.87, 67,303.14 and 33,695.95

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Solution

The fourth proportional to 48,787.87, 67,303.14 and 33,695.95 is: 46,483.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,787.87 : 67,303.14 = 33,695.95 : x
  2. Step 2: Convert to fraction form
    48,787.87/67,303.14 = 33,695.95/x
  3. Step 3: Cross multiply
    48,787.87x = 67,303.14 × 33,695.95
  4. Step 4: Simplify right side
    48,787.87x = 2,267,843,240.28
  5. Step 5: Solve for x
    x = 2,267,843,240.28/48,787.87
  6. Step 6: Final answer
    x = 46,483.75

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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.