Home / 20,699.96-31,045.38-5,908.55

Finding the Fourth Proportional to 20,699.96, 31,045.38 and 5,908.55

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Solution

The fourth proportional to 20,699.96, 31,045.38 and 5,908.55 is: 8,861.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,699.96 : 31,045.38 = 5,908.55 : x
  2. Step 2: Convert to fraction form
    20,699.96/31,045.38 = 5,908.55/x
  3. Step 3: Cross multiply
    20,699.96x = 31,045.38 × 5,908.55
  4. Step 4: Simplify right side
    20,699.96x = 183,433,002.62
  5. Step 5: Solve for x
    x = 183,433,002.62/20,699.96
  6. Step 6: Final answer
    x = 8,861.52

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1.5x scale

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.