Home / 37,647.08-56,477.10-20,112.20

Finding the Fourth Proportional to 37,647.08, 56,477.10 and 20,112.20

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Solution

The fourth proportional to 37,647.08, 56,477.10 and 20,112.20 is: 30,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,647.08 : 56,477.10 = 20,112.20 : x
  2. Step 2: Convert to fraction form
    37,647.08/56,477.10 = 20,112.20/x
  3. Step 3: Cross multiply
    37,647.08x = 56,477.10 × 20,112.20
  4. Step 4: Simplify right side
    37,647.08x = 1,135,878,730.62
  5. Step 5: Solve for x
    x = 1,135,878,730.62/37,647.08
  6. Step 6: Final answer
    x = 30,171.76

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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.