Home / 56,276.55-84,419.30-18,836.82

Finding the Fourth Proportional to 56,276.55, 84,419.30 and 18,836.82

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Solution

The fourth proportional to 56,276.55, 84,419.30 and 18,836.82 is: 28,256.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,276.55 : 84,419.30 = 18,836.82 : x
  2. Step 2: Convert to fraction form
    56,276.55/84,419.30 = 18,836.82/x
  3. Step 3: Cross multiply
    56,276.55x = 84,419.30 × 18,836.82
  4. Step 4: Simplify right side
    56,276.55x = 1,590,191,064.44
  5. Step 5: Solve for x
    x = 1,590,191,064.44/56,276.55
  6. Step 6: Final answer
    x = 28,256.73

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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.