Home / 51,817.86-71,502.30-32,690.42

Finding the Fourth Proportional to 51,817.86, 71,502.30 and 32,690.42

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Solution

The fourth proportional to 51,817.86, 71,502.30 and 32,690.42 is: 45,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,817.86 : 71,502.30 = 32,690.42 : x
  2. Step 2: Convert to fraction form
    51,817.86/71,502.30 = 32,690.42/x
  3. Step 3: Cross multiply
    51,817.86x = 71,502.30 × 32,690.42
  4. Step 4: Simplify right side
    51,817.86x = 2,337,440,233.27
  5. Step 5: Solve for x
    x = 2,337,440,233.27/51,817.86
  6. Step 6: Final answer
    x = 45,108.77

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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.