Home / 37,771.92-56,665.36-21,155.52

Finding the Fourth Proportional to 37,771.92, 56,665.36 and 21,155.52

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Solution

The fourth proportional to 37,771.92, 56,665.36 and 21,155.52 is: 31,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,771.92 : 56,665.36 = 21,155.52 : x
  2. Step 2: Convert to fraction form
    37,771.92/56,665.36 = 21,155.52/x
  3. Step 3: Cross multiply
    37,771.92x = 56,665.36 × 21,155.52
  4. Step 4: Simplify right side
    37,771.92x = 1,198,785,156.79
  5. Step 5: Solve for x
    x = 1,198,785,156.79/37,771.92
  6. Step 6: Final answer
    x = 31,737.47

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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.