Home / 37,631.20-56,414.40-19,163.20

Finding the Fourth Proportional to 37,631.20, 56,414.40 and 19,163.20

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Solution

The fourth proportional to 37,631.20, 56,414.40 and 19,163.20 is: 28,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,631.20 : 56,414.40 = 19,163.20 : x
  2. Step 2: Convert to fraction form
    37,631.20/56,414.40 = 19,163.20/x
  3. Step 3: Cross multiply
    37,631.20x = 56,414.40 × 19,163.20
  4. Step 4: Simplify right side
    37,631.20x = 1,081,080,430.08
  5. Step 5: Solve for x
    x = 1,081,080,430.08/37,631.20
  6. Step 6: Final answer
    x = 28,728.30

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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.