Home / 37,099.88-51,190.27-21,985.89

Finding the Fourth Proportional to 37,099.88, 51,190.27 and 21,985.89

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Solution

The fourth proportional to 37,099.88, 51,190.27 and 21,985.89 is: 30,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,099.88 : 51,190.27 = 21,985.89 : x
  2. Step 2: Convert to fraction form
    37,099.88/51,190.27 = 21,985.89/x
  3. Step 3: Cross multiply
    37,099.88x = 51,190.27 × 21,985.89
  4. Step 4: Simplify right side
    37,099.88x = 1,125,463,645.29
  5. Step 5: Solve for x
    x = 1,125,463,645.29/37,099.88
  6. Step 6: Final answer
    x = 30,336.05

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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.