Home / 34,231.62-47,225.58-20,800.74

Finding the Fourth Proportional to 34,231.62, 47,225.58 and 20,800.74

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Solution

The fourth proportional to 34,231.62, 47,225.58 and 20,800.74 is: 28,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,231.62 : 47,225.58 = 20,800.74 : x
  2. Step 2: Convert to fraction form
    34,231.62/47,225.58 = 20,800.74/x
  3. Step 3: Cross multiply
    34,231.62x = 47,225.58 × 20,800.74
  4. Step 4: Simplify right side
    34,231.62x = 982,327,010.93
  5. Step 5: Solve for x
    x = 982,327,010.93/34,231.62
  6. Step 6: Final answer
    x = 28,696.48

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1.5x scale

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.