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Finding the Fourth Proportional to 31,484, 43,447.92 and 17,336.82

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Solution

The fourth proportional to 31,484, 43,447.92 and 17,336.82 is: 23,924.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,484 : 43,447.92 = 17,336.82 : x
  2. Step 2: Convert to fraction form
    31,484/43,447.92 = 17,336.82/x
  3. Step 3: Cross multiply
    31,484x = 43,447.92 × 17,336.82
  4. Step 4: Simplify right side
    31,484x = 753,248,768.41
  5. Step 5: Solve for x
    x = 753,248,768.41/31,484
  6. Step 6: Final answer
    x = 23,924.81

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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.