Home / 31,639.21-43,660.72-17,298.66

Finding the Fourth Proportional to 31,639.21, 43,660.72 and 17,298.66

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Solution

The fourth proportional to 31,639.21, 43,660.72 and 17,298.66 is: 23,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,639.21 : 43,660.72 = 17,298.66 : x
  2. Step 2: Convert to fraction form
    31,639.21/43,660.72 = 17,298.66/x
  3. Step 3: Cross multiply
    31,639.21x = 43,660.72 × 17,298.66
  4. Step 4: Simplify right side
    31,639.21x = 755,272,135.99
  5. Step 5: Solve for x
    x = 755,272,135.99/31,639.21
  6. Step 6: Final answer
    x = 23,871.40

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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.