Home / 49,715.10-68,611.40-28,211.85

Finding the Fourth Proportional to 49,715.10, 68,611.40 and 28,211.85

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Solution

The fourth proportional to 49,715.10, 68,611.40 and 28,211.85 is: 38,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,715.10 : 68,611.40 = 28,211.85 : x
  2. Step 2: Convert to fraction form
    49,715.10/68,611.40 = 28,211.85/x
  3. Step 3: Cross multiply
    49,715.10x = 68,611.40 × 28,211.85
  4. Step 4: Simplify right side
    49,715.10x = 1,935,654,384.03
  5. Step 5: Solve for x
    x = 1,935,654,384.03/49,715.10
  6. Step 6: Final answer
    x = 38,934.94

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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.