Home / 37,288.31-51,459.09-21,375.77

Finding the Fourth Proportional to 37,288.31, 51,459.09 and 21,375.77

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Solution

The fourth proportional to 37,288.31, 51,459.09 and 21,375.77 is: 29,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,288.31 : 51,459.09 = 21,375.77 : x
  2. Step 2: Convert to fraction form
    37,288.31/51,459.09 = 21,375.77/x
  3. Step 3: Cross multiply
    37,288.31x = 51,459.09 × 21,375.77
  4. Step 4: Simplify right side
    37,288.31x = 1,099,977,672.25
  5. Step 5: Solve for x
    x = 1,099,977,672.25/37,288.31
  6. Step 6: Final answer
    x = 29,499.26

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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.