Home / 45,782.46-68,702.58-19,487.16

Finding the Fourth Proportional to 45,782.46, 68,702.58 and 19,487.16

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Solution

The fourth proportional to 45,782.46, 68,702.58 and 19,487.16 is: 29,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,782.46 : 68,702.58 = 19,487.16 : x
  2. Step 2: Convert to fraction form
    45,782.46/68,702.58 = 19,487.16/x
  3. Step 3: Cross multiply
    45,782.46x = 68,702.58 × 19,487.16
  4. Step 4: Simplify right side
    45,782.46x = 1,338,818,168.87
  5. Step 5: Solve for x
    x = 1,338,818,168.87/45,782.46
  6. Step 6: Final answer
    x = 29,243.04

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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.