Home / 34,361.65-47,416.84-20,211.76

Finding the Fourth Proportional to 34,361.65, 47,416.84 and 20,211.76

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Solution

The fourth proportional to 34,361.65, 47,416.84 and 20,211.76 is: 27,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,361.65 : 47,416.84 = 20,211.76 : x
  2. Step 2: Convert to fraction form
    34,361.65/47,416.84 = 20,211.76/x
  3. Step 3: Cross multiply
    34,361.65x = 47,416.84 × 20,211.76
  4. Step 4: Simplify right side
    34,361.65x = 958,377,790.04
  5. Step 5: Solve for x
    x = 958,377,790.04/34,361.65
  6. Step 6: Final answer
    x = 27,890.91

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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.