Home / 37,428.17-51,650.98-20,432.43

Finding the Fourth Proportional to 37,428.17, 51,650.98 and 20,432.43

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Solution

The fourth proportional to 37,428.17, 51,650.98 and 20,432.43 is: 28,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428.17 : 51,650.98 = 20,432.43 : x
  2. Step 2: Convert to fraction form
    37,428.17/51,650.98 = 20,432.43/x
  3. Step 3: Cross multiply
    37,428.17x = 51,650.98 × 20,432.43
  4. Step 4: Simplify right side
    37,428.17x = 1,055,355,033.28
  5. Step 5: Solve for x
    x = 1,055,355,033.28/37,428.17
  6. Step 6: Final answer
    x = 28,196.81

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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.