Home / 37,642.08-56,469.60-20,107.20

Finding the Fourth Proportional to 37,642.08, 56,469.60 and 20,107.20

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Solution

The fourth proportional to 37,642.08, 56,469.60 and 20,107.20 is: 30,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,642.08 : 56,469.60 = 20,107.20 : x
  2. Step 2: Convert to fraction form
    37,642.08/56,469.60 = 20,107.20/x
  3. Step 3: Cross multiply
    37,642.08x = 56,469.60 × 20,107.20
  4. Step 4: Simplify right side
    37,642.08x = 1,135,445,541.12
  5. Step 5: Solve for x
    x = 1,135,445,541.12/37,642.08
  6. Step 6: Final answer
    x = 30,164.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.