Home / 29,434.45-40,618.30-16,688.49

Finding the Fourth Proportional to 29,434.45, 40,618.30 and 16,688.49

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Solution

The fourth proportional to 29,434.45, 40,618.30 and 16,688.49 is: 23,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,434.45 : 40,618.30 = 16,688.49 : x
  2. Step 2: Convert to fraction form
    29,434.45/40,618.30 = 16,688.49/x
  3. Step 3: Cross multiply
    29,434.45x = 40,618.30 × 16,688.49
  4. Step 4: Simplify right side
    29,434.45x = 677,857,960.90
  5. Step 5: Solve for x
    x = 677,857,960.90/29,434.45
  6. Step 6: Final answer
    x = 23,029.41

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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.