Home / 37,652.10-51,960.59-20,657.20

Finding the Fourth Proportional to 37,652.10, 51,960.59 and 20,657.20

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Solution

The fourth proportional to 37,652.10, 51,960.59 and 20,657.20 is: 28,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,652.10 : 51,960.59 = 20,657.20 : x
  2. Step 2: Convert to fraction form
    37,652.10/51,960.59 = 20,657.20/x
  3. Step 3: Cross multiply
    37,652.10x = 51,960.59 × 20,657.20
  4. Step 4: Simplify right side
    37,652.10x = 1,073,360,299.75
  5. Step 5: Solve for x
    x = 1,073,360,299.75/37,652.10
  6. Step 6: Final answer
    x = 28,507.32

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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.