Home / 37,643.08-56,471.10-20,108.20

Finding the Fourth Proportional to 37,643.08, 56,471.10 and 20,108.20

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Solution

The fourth proportional to 37,643.08, 56,471.10 and 20,108.20 is: 30,165.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,643.08 : 56,471.10 = 20,108.20 : x
  2. Step 2: Convert to fraction form
    37,643.08/56,471.10 = 20,108.20/x
  3. Step 3: Cross multiply
    37,643.08x = 56,471.10 × 20,108.20
  4. Step 4: Simplify right side
    37,643.08x = 1,135,532,173.02
  5. Step 5: Solve for x
    x = 1,135,532,173.02/37,643.08
  6. Step 6: Final answer
    x = 30,165.76

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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.