Home / 29,640.42-40,903.20-16,211.64

Finding the Fourth Proportional to 29,640.42, 40,903.20 and 16,211.64

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Solution

The fourth proportional to 29,640.42, 40,903.20 and 16,211.64 is: 22,371.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.42 : 40,903.20 = 16,211.64 : x
  2. Step 2: Convert to fraction form
    29,640.42/40,903.20 = 16,211.64/x
  3. Step 3: Cross multiply
    29,640.42x = 40,903.20 × 16,211.64
  4. Step 4: Simplify right side
    29,640.42x = 663,107,953.25
  5. Step 5: Solve for x
    x = 663,107,953.25/29,640.42
  6. Step 6: Final answer
    x = 22,371.75

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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.