Home / 55,787.76-76,964.85-35,639.42

Finding the Fourth Proportional to 55,787.76, 76,964.85 and 35,639.42

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Solution

The fourth proportional to 55,787.76, 76,964.85 and 35,639.42 is: 49,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,787.76 : 76,964.85 = 35,639.42 : x
  2. Step 2: Convert to fraction form
    55,787.76/76,964.85 = 35,639.42/x
  3. Step 3: Cross multiply
    55,787.76x = 76,964.85 × 35,639.42
  4. Step 4: Simplify right side
    55,787.76x = 2,742,982,229.56
  5. Step 5: Solve for x
    x = 2,742,982,229.56/55,787.76
  6. Step 6: Final answer
    x = 49,168.17

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1.5x scale

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.