Home / 55,970.24-83,896.22-18,520.70

Finding the Fourth Proportional to 55,970.24, 83,896.22 and 18,520.70

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Solution

The fourth proportional to 55,970.24, 83,896.22 and 18,520.70 is: 27,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,970.24 : 83,896.22 = 18,520.70 : x
  2. Step 2: Convert to fraction form
    55,970.24/83,896.22 = 18,520.70/x
  3. Step 3: Cross multiply
    55,970.24x = 83,896.22 × 18,520.70
  4. Step 4: Simplify right side
    55,970.24x = 1,553,816,721.75
  5. Step 5: Solve for x
    x = 1,553,816,721.75/55,970.24
  6. Step 6: Final answer
    x = 27,761.48

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1.5x scale

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.