Home / 37,797.12-52,156.80-21,031.68

Finding the Fourth Proportional to 37,797.12, 52,156.80 and 21,031.68

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Solution

The fourth proportional to 37,797.12, 52,156.80 and 21,031.68 is: 29,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,797.12 : 52,156.80 = 21,031.68 : x
  2. Step 2: Convert to fraction form
    37,797.12/52,156.80 = 21,031.68/x
  3. Step 3: Cross multiply
    37,797.12x = 52,156.80 × 21,031.68
  4. Step 4: Simplify right side
    37,797.12x = 1,096,945,127.42
  5. Step 5: Solve for x
    x = 1,096,945,127.42/37,797.12
  6. Step 6: Final answer
    x = 29,021.92

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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.