Home / 37,420.85-51,639.49-22,305.72

Finding the Fourth Proportional to 37,420.85, 51,639.49 and 22,305.72

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Solution

The fourth proportional to 37,420.85, 51,639.49 and 22,305.72 is: 30,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420.85 : 51,639.49 = 22,305.72 : x
  2. Step 2: Convert to fraction form
    37,420.85/51,639.49 = 22,305.72/x
  3. Step 3: Cross multiply
    37,420.85x = 51,639.49 × 22,305.72
  4. Step 4: Simplify right side
    37,420.85x = 1,151,856,004.88
  5. Step 5: Solve for x
    x = 1,151,856,004.88/37,420.85
  6. Step 6: Final answer
    x = 30,781.13

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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.