Home / 31,379.74-43,301.47-17,232.59

Finding the Fourth Proportional to 31,379.74, 43,301.47 and 17,232.59

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Solution

The fourth proportional to 31,379.74, 43,301.47 and 17,232.59 is: 23,779.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,379.74 : 43,301.47 = 17,232.59 : x
  2. Step 2: Convert to fraction form
    31,379.74/43,301.47 = 17,232.59/x
  3. Step 3: Cross multiply
    31,379.74x = 43,301.47 × 17,232.59
  4. Step 4: Simplify right side
    31,379.74x = 746,196,478.91
  5. Step 5: Solve for x
    x = 746,196,478.91/31,379.74
  6. Step 6: Final answer
    x = 23,779.56

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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.