Home / 66,247.35-99,339.84-19,490.91

Finding the Fourth Proportional to 66,247.35, 99,339.84 and 19,490.91

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Solution

The fourth proportional to 66,247.35, 99,339.84 and 19,490.91 is: 29,227.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,247.35 : 99,339.84 = 19,490.91 : x
  2. Step 2: Convert to fraction form
    66,247.35/99,339.84 = 19,490.91/x
  3. Step 3: Cross multiply
    66,247.35x = 99,339.84 × 19,490.91
  4. Step 4: Simplify right side
    66,247.35x = 1,936,223,880.85
  5. Step 5: Solve for x
    x = 1,936,223,880.85/66,247.35
  6. Step 6: Final answer
    x = 29,227.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.