Home / 37,511.20-56,331.60-20,015.20

Finding the Fourth Proportional to 37,511.20, 56,331.60 and 20,015.20

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Solution

The fourth proportional to 37,511.20, 56,331.60 and 20,015.20 is: 30,057.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,511.20 : 56,331.60 = 20,015.20 : x
  2. Step 2: Convert to fraction form
    37,511.20/56,331.60 = 20,015.20/x
  3. Step 3: Cross multiply
    37,511.20x = 56,331.60 × 20,015.20
  4. Step 4: Simplify right side
    37,511.20x = 1,127,488,240.32
  5. Step 5: Solve for x
    x = 1,127,488,240.32/37,511.20
  6. Step 6: Final answer
    x = 30,057.38

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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.