Home / 37,156.32-51,263.28-21,229.56

Finding the Fourth Proportional to 37,156.32, 51,263.28 and 21,229.56

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Solution

The fourth proportional to 37,156.32, 51,263.28 and 21,229.56 is: 29,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,156.32 : 51,263.28 = 21,229.56 : x
  2. Step 2: Convert to fraction form
    37,156.32/51,263.28 = 21,229.56/x
  3. Step 3: Cross multiply
    37,156.32x = 51,263.28 × 21,229.56
  4. Step 4: Simplify right side
    37,156.32x = 1,088,296,878.56
  5. Step 5: Solve for x
    x = 1,088,296,878.56/37,156.32
  6. Step 6: Final answer
    x = 29,289.68

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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.