Home / 57,072.15-78,787.04-37,983.69

Finding the Fourth Proportional to 57,072.15, 78,787.04 and 37,983.69

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Solution

The fourth proportional to 57,072.15, 78,787.04 and 37,983.69 is: 52,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,072.15 : 78,787.04 = 37,983.69 : x
  2. Step 2: Convert to fraction form
    57,072.15/78,787.04 = 37,983.69/x
  3. Step 3: Cross multiply
    57,072.15x = 78,787.04 × 37,983.69
  4. Step 4: Simplify right side
    57,072.15x = 2,992,622,313.46
  5. Step 5: Solve for x
    x = 2,992,622,313.46/57,072.15
  6. Step 6: Final answer
    x = 52,435.77

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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.