Home / 57,511.40-79,360.28-32,359.28

Finding the Fourth Proportional to 57,511.40, 79,360.28 and 32,359.28

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Solution

The fourth proportional to 57,511.40, 79,360.28 and 32,359.28 is: 44,652.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,511.40 : 79,360.28 = 32,359.28 : x
  2. Step 2: Convert to fraction form
    57,511.40/79,360.28 = 32,359.28/x
  3. Step 3: Cross multiply
    57,511.40x = 79,360.28 × 32,359.28
  4. Step 4: Simplify right side
    57,511.40x = 2,568,041,521.40
  5. Step 5: Solve for x
    x = 2,568,041,521.40/57,511.40
  6. Step 6: Final answer
    x = 44,652.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.