Home / 37,909.62-52,317.09-21,139.38

Finding the Fourth Proportional to 37,909.62, 52,317.09 and 21,139.38

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Solution

The fourth proportional to 37,909.62, 52,317.09 and 21,139.38 is: 29,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,909.62 : 52,317.09 = 21,139.38 : x
  2. Step 2: Convert to fraction form
    37,909.62/52,317.09 = 21,139.38/x
  3. Step 3: Cross multiply
    37,909.62x = 52,317.09 × 21,139.38
  4. Step 4: Simplify right side
    37,909.62x = 1,105,950,846.00
  5. Step 5: Solve for x
    x = 1,105,950,846.00/37,909.62
  6. Step 6: Final answer
    x = 29,173.36

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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.