Home / 37,649.12-51,954.98-20,882.12

Finding the Fourth Proportional to 37,649.12, 51,954.98 and 20,882.12

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Solution

The fourth proportional to 37,649.12, 51,954.98 and 20,882.12 is: 28,816.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,649.12 : 51,954.98 = 20,882.12 : x
  2. Step 2: Convert to fraction form
    37,649.12/51,954.98 = 20,882.12/x
  3. Step 3: Cross multiply
    37,649.12x = 51,954.98 × 20,882.12
  4. Step 4: Simplify right side
    37,649.12x = 1,084,929,762.77
  5. Step 5: Solve for x
    x = 1,084,929,762.77/37,649.12
  6. Step 6: Final answer
    x = 28,816.87

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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.