Home / 35,624.46-49,160.84-20,516.78

Finding the Fourth Proportional to 35,624.46, 49,160.84 and 20,516.78

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Solution

The fourth proportional to 35,624.46, 49,160.84 and 20,516.78 is: 28,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,624.46 : 49,160.84 = 20,516.78 : x
  2. Step 2: Convert to fraction form
    35,624.46/49,160.84 = 20,516.78/x
  3. Step 3: Cross multiply
    35,624.46x = 49,160.84 × 20,516.78
  4. Step 4: Simplify right side
    35,624.46x = 1,008,622,138.90
  5. Step 5: Solve for x
    x = 1,008,622,138.90/35,624.46
  6. Step 6: Final answer
    x = 28,312.63

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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.