Home / 56,871.20-85,322.30-17,427.44

Finding the Fourth Proportional to 56,871.20, 85,322.30 and 17,427.44

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Solution

The fourth proportional to 56,871.20, 85,322.30 and 17,427.44 is: 26,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,871.20 : 85,322.30 = 17,427.44 : x
  2. Step 2: Convert to fraction form
    56,871.20/85,322.30 = 17,427.44/x
  3. Step 3: Cross multiply
    56,871.20x = 85,322.30 × 17,427.44
  4. Step 4: Simplify right side
    56,871.20x = 1,486,949,263.91
  5. Step 5: Solve for x
    x = 1,486,949,263.91/56,871.20
  6. Step 6: Final answer
    x = 26,145.91

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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.