Home / 34,359.75-47,423.96-20,021.94

Finding the Fourth Proportional to 34,359.75, 47,423.96 and 20,021.94

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Solution

The fourth proportional to 34,359.75, 47,423.96 and 20,021.94 is: 27,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,359.75 : 47,423.96 = 20,021.94 : x
  2. Step 2: Convert to fraction form
    34,359.75/47,423.96 = 20,021.94/x
  3. Step 3: Cross multiply
    34,359.75x = 47,423.96 × 20,021.94
  4. Step 4: Simplify right side
    34,359.75x = 949,519,581.57
  5. Step 5: Solve for x
    x = 949,519,581.57/34,359.75
  6. Step 6: Final answer
    x = 27,634.65

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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.