Home / 34,559.26-47,690.57-21,131.08

Finding the Fourth Proportional to 34,559.26, 47,690.57 and 21,131.08

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Solution

The fourth proportional to 34,559.26, 47,690.57 and 21,131.08 is: 29,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,559.26 : 47,690.57 = 21,131.08 : x
  2. Step 2: Convert to fraction form
    34,559.26/47,690.57 = 21,131.08/x
  3. Step 3: Cross multiply
    34,559.26x = 47,690.57 × 21,131.08
  4. Step 4: Simplify right side
    34,559.26x = 1,007,753,183.52
  5. Step 5: Solve for x
    x = 1,007,753,183.52/34,559.26
  6. Step 6: Final answer
    x = 29,160.15

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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.