Home / 31,613.02-43,625.45-17,272.54

Finding the Fourth Proportional to 31,613.02, 43,625.45 and 17,272.54

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Solution

The fourth proportional to 31,613.02, 43,625.45 and 17,272.54 is: 23,835.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,613.02 : 43,625.45 = 17,272.54 : x
  2. Step 2: Convert to fraction form
    31,613.02/43,625.45 = 17,272.54/x
  3. Step 3: Cross multiply
    31,613.02x = 43,625.45 × 17,272.54
  4. Step 4: Simplify right side
    31,613.02x = 753,522,117.69
  5. Step 5: Solve for x
    x = 753,522,117.69/31,613.02
  6. Step 6: Final answer
    x = 23,835.82

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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.