Home / 31,499.72-43,429.26-25,813.52

Finding the Fourth Proportional to 31,499.72, 43,429.26 and 25,813.52

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Solution

The fourth proportional to 31,499.72, 43,429.26 and 25,813.52 is: 35,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,499.72 : 43,429.26 = 25,813.52 : x
  2. Step 2: Convert to fraction form
    31,499.72/43,429.26 = 25,813.52/x
  3. Step 3: Cross multiply
    31,499.72x = 43,429.26 × 25,813.52
  4. Step 4: Simplify right side
    31,499.72x = 1,121,062,071.60
  5. Step 5: Solve for x
    x = 1,121,062,071.60/31,499.72
  6. Step 6: Final answer
    x = 35,589.59

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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.