Home / 57,353.76-79,145.98-31,861.72

Finding the Fourth Proportional to 57,353.76, 79,145.98 and 31,861.72

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Solution

The fourth proportional to 57,353.76, 79,145.98 and 31,861.72 is: 43,967.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,353.76 : 79,145.98 = 31,861.72 : x
  2. Step 2: Convert to fraction form
    57,353.76/79,145.98 = 31,861.72/x
  3. Step 3: Cross multiply
    57,353.76x = 79,145.98 × 31,861.72
  4. Step 4: Simplify right side
    57,353.76x = 2,521,727,583.75
  5. Step 5: Solve for x
    x = 2,521,727,583.75/57,353.76
  6. Step 6: Final answer
    x = 43,967.96

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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.