Home / 31,628.40-43,649.45-17,480.94

Finding the Fourth Proportional to 31,628.40, 43,649.45 and 17,480.94

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Solution

The fourth proportional to 31,628.40, 43,649.45 and 17,480.94 is: 24,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628.40 : 43,649.45 = 17,480.94 : x
  2. Step 2: Convert to fraction form
    31,628.40/43,649.45 = 17,480.94/x
  3. Step 3: Cross multiply
    31,628.40x = 43,649.45 × 17,480.94
  4. Step 4: Simplify right side
    31,628.40x = 763,033,416.48
  5. Step 5: Solve for x
    x = 763,033,416.48/31,628.40
  6. Step 6: Final answer
    x = 24,124.95

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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.