Home / 60,548.94-90,822.65-21,105.92

Finding the Fourth Proportional to 60,548.94, 90,822.65 and 21,105.92

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Solution

The fourth proportional to 60,548.94, 90,822.65 and 21,105.92 is: 31,658.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,548.94 : 90,822.65 = 21,105.92 : x
  2. Step 2: Convert to fraction form
    60,548.94/90,822.65 = 21,105.92/x
  3. Step 3: Cross multiply
    60,548.94x = 90,822.65 × 21,105.92
  4. Step 4: Simplify right side
    60,548.94x = 1,916,895,025.45
  5. Step 5: Solve for x
    x = 1,916,895,025.45/60,548.94
  6. Step 6: Final answer
    x = 31,658.61

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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.