Home / 37,914.13-56,871.20-20,359.81

Finding the Fourth Proportional to 37,914.13, 56,871.20 and 20,359.81

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Solution

The fourth proportional to 37,914.13, 56,871.20 and 20,359.81 is: 30,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,914.13 : 56,871.20 = 20,359.81 : x
  2. Step 2: Convert to fraction form
    37,914.13/56,871.20 = 20,359.81/x
  3. Step 3: Cross multiply
    37,914.13x = 56,871.20 × 20,359.81
  4. Step 4: Simplify right side
    37,914.13x = 1,157,886,826.47
  5. Step 5: Solve for x
    x = 1,157,886,826.47/37,914.13
  6. Step 6: Final answer
    x = 30,539.72

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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.