Home / 37,519.56-56,235.36-20,871.72

Finding the Fourth Proportional to 37,519.56, 56,235.36 and 20,871.72

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Solution

The fourth proportional to 37,519.56, 56,235.36 and 20,871.72 is: 31,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,519.56 : 56,235.36 = 20,871.72 : x
  2. Step 2: Convert to fraction form
    37,519.56/56,235.36 = 20,871.72/x
  3. Step 3: Cross multiply
    37,519.56x = 56,235.36 × 20,871.72
  4. Step 4: Simplify right side
    37,519.56x = 1,173,728,688.02
  5. Step 5: Solve for x
    x = 1,173,728,688.02/37,519.56
  6. Step 6: Final answer
    x = 31,283.11

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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.