Home / 37,230.56-51,379.32-21,320.12

Finding the Fourth Proportional to 37,230.56, 51,379.32 and 21,320.12

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Solution

The fourth proportional to 37,230.56, 51,379.32 and 21,320.12 is: 29,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,230.56 : 51,379.32 = 21,320.12 : x
  2. Step 2: Convert to fraction form
    37,230.56/51,379.32 = 21,320.12/x
  3. Step 3: Cross multiply
    37,230.56x = 51,379.32 × 21,320.12
  4. Step 4: Simplify right side
    37,230.56x = 1,095,413,267.92
  5. Step 5: Solve for x
    x = 1,095,413,267.92/37,230.56
  6. Step 6: Final answer
    x = 29,422.42

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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.