Home / 37,125.03-51,231.99-20,128.95

Finding the Fourth Proportional to 37,125.03, 51,231.99 and 20,128.95

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Solution

The fourth proportional to 37,125.03, 51,231.99 and 20,128.95 is: 27,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,125.03 : 51,231.99 = 20,128.95 : x
  2. Step 2: Convert to fraction form
    37,125.03/51,231.99 = 20,128.95/x
  3. Step 3: Cross multiply
    37,125.03x = 51,231.99 × 20,128.95
  4. Step 4: Simplify right side
    37,125.03x = 1,031,246,165.11
  5. Step 5: Solve for x
    x = 1,031,246,165.11/37,125.03
  6. Step 6: Final answer
    x = 27,777.65

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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.