Home / 37,031.20-51,102.78-20,264.20

Finding the Fourth Proportional to 37,031.20, 51,102.78 and 20,264.20

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Solution

The fourth proportional to 37,031.20, 51,102.78 and 20,264.20 is: 27,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,031.20 : 51,102.78 = 20,264.20 : x
  2. Step 2: Convert to fraction form
    37,031.20/51,102.78 = 20,264.20/x
  3. Step 3: Cross multiply
    37,031.20x = 51,102.78 × 20,264.20
  4. Step 4: Simplify right side
    37,031.20x = 1,035,556,954.48
  5. Step 5: Solve for x
    x = 1,035,556,954.48/37,031.20
  6. Step 6: Final answer
    x = 27,964.44

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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.