Home / 29,446.68-40,640.10-16,871.46

Finding the Fourth Proportional to 29,446.68, 40,640.10 and 16,871.46

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Solution

The fourth proportional to 29,446.68, 40,640.10 and 16,871.46 is: 23,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,446.68 : 40,640.10 = 16,871.46 : x
  2. Step 2: Convert to fraction form
    29,446.68/40,640.10 = 16,871.46/x
  3. Step 3: Cross multiply
    29,446.68x = 40,640.10 × 16,871.46
  4. Step 4: Simplify right side
    29,446.68x = 685,657,821.55
  5. Step 5: Solve for x
    x = 685,657,821.55/29,446.68
  6. Step 6: Final answer
    x = 23,284.72

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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.