Home / 36,437.88-50,285.52-21,331.92

Finding the Fourth Proportional to 36,437.88, 50,285.52 and 21,331.92

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Solution

The fourth proportional to 36,437.88, 50,285.52 and 21,331.92 is: 29,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,437.88 : 50,285.52 = 21,331.92 : x
  2. Step 2: Convert to fraction form
    36,437.88/50,285.52 = 21,331.92/x
  3. Step 3: Cross multiply
    36,437.88x = 50,285.52 × 21,331.92
  4. Step 4: Simplify right side
    36,437.88x = 1,072,686,689.80
  5. Step 5: Solve for x
    x = 1,072,686,689.80/36,437.88
  6. Step 6: Final answer
    x = 29,438.78

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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.