Home / 56,741.88-85,118.46-21,711

Finding the Fourth Proportional to 56,741.88, 85,118.46 and 21,711

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Solution

The fourth proportional to 56,741.88, 85,118.46 and 21,711 is: 32,568.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,741.88 : 85,118.46 = 21,711 : x
  2. Step 2: Convert to fraction form
    56,741.88/85,118.46 = 21,711/x
  3. Step 3: Cross multiply
    56,741.88x = 85,118.46 × 21,711
  4. Step 4: Simplify right side
    56,741.88x = 1,848,006,885.06
  5. Step 5: Solve for x
    x = 1,848,006,885.06/56,741.88
  6. Step 6: Final answer
    x = 32,568.66

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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.