Home / 29,639.92-40,902.51-16,211.13

Finding the Fourth Proportional to 29,639.92, 40,902.51 and 16,211.13

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Solution

The fourth proportional to 29,639.92, 40,902.51 and 16,211.13 is: 22,371.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.92 : 40,902.51 = 16,211.13 : x
  2. Step 2: Convert to fraction form
    29,639.92/40,902.51 = 16,211.13/x
  3. Step 3: Cross multiply
    29,639.92x = 40,902.51 × 16,211.13
  4. Step 4: Simplify right side
    29,639.92x = 663,075,906.94
  5. Step 5: Solve for x
    x = 663,075,906.94/29,639.92
  6. Step 6: Final answer
    x = 22,371.04

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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.