Home / 48,787.80-73,181.70-47,621.40

Finding the Fourth Proportional to 48,787.80, 73,181.70 and 47,621.40

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Solution

The fourth proportional to 48,787.80, 73,181.70 and 47,621.40 is: 71,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,787.80 : 73,181.70 = 47,621.40 : x
  2. Step 2: Convert to fraction form
    48,787.80/73,181.70 = 47,621.40/x
  3. Step 3: Cross multiply
    48,787.80x = 73,181.70 × 47,621.40
  4. Step 4: Simplify right side
    48,787.80x = 3,485,015,008.38
  5. Step 5: Solve for x
    x = 3,485,015,008.38/48,787.80
  6. Step 6: Final answer
    x = 71,432.10

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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.