Home / 34,265.67-47,288.43-20,834.70

Finding the Fourth Proportional to 34,265.67, 47,288.43 and 20,834.70

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Solution

The fourth proportional to 34,265.67, 47,288.43 and 20,834.70 is: 28,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,265.67 : 47,288.43 = 20,834.70 : x
  2. Step 2: Convert to fraction form
    34,265.67/47,288.43 = 20,834.70/x
  3. Step 3: Cross multiply
    34,265.67x = 47,288.43 × 20,834.70
  4. Step 4: Simplify right side
    34,265.67x = 985,240,252.52
  5. Step 5: Solve for x
    x = 985,240,252.52/34,265.67
  6. Step 6: Final answer
    x = 28,752.98

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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.