Home / 37,561.58-51,840.78-21,428.96

Finding the Fourth Proportional to 37,561.58, 51,840.78 and 21,428.96

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Solution

The fourth proportional to 37,561.58, 51,840.78 and 21,428.96 is: 29,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,561.58 : 51,840.78 = 21,428.96 : x
  2. Step 2: Convert to fraction form
    37,561.58/51,840.78 = 21,428.96/x
  3. Step 3: Cross multiply
    37,561.58x = 51,840.78 × 21,428.96
  4. Step 4: Simplify right side
    37,561.58x = 1,110,894,000.99
  5. Step 5: Solve for x
    x = 1,110,894,000.99/37,561.58
  6. Step 6: Final answer
    x = 29,575.27

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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.