Home / 34,771.14-47,977.76-20,433.30

Finding the Fourth Proportional to 34,771.14, 47,977.76 and 20,433.30

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Solution

The fourth proportional to 34,771.14, 47,977.76 and 20,433.30 is: 28,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,771.14 : 47,977.76 = 20,433.30 : x
  2. Step 2: Convert to fraction form
    34,771.14/47,977.76 = 20,433.30/x
  3. Step 3: Cross multiply
    34,771.14x = 47,977.76 × 20,433.30
  4. Step 4: Simplify right side
    34,771.14x = 980,343,861.24
  5. Step 5: Solve for x
    x = 980,343,861.24/34,771.14
  6. Step 6: Final answer
    x = 28,194.18

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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.