Home / 31,269.08-43,151.10-17,122.52

Finding the Fourth Proportional to 31,269.08, 43,151.10 and 17,122.52

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Solution

The fourth proportional to 31,269.08, 43,151.10 and 17,122.52 is: 23,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.08 : 43,151.10 = 17,122.52 : x
  2. Step 2: Convert to fraction form
    31,269.08/43,151.10 = 17,122.52/x
  3. Step 3: Cross multiply
    31,269.08x = 43,151.10 × 17,122.52
  4. Step 4: Simplify right side
    31,269.08x = 738,855,572.77
  5. Step 5: Solve for x
    x = 738,855,572.77/31,269.08
  6. Step 6: Final answer
    x = 23,628.95

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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.