Home / 49,782.16-68,677.16-28,557.20

Finding the Fourth Proportional to 49,782.16, 68,677.16 and 28,557.20

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Solution

The fourth proportional to 49,782.16, 68,677.16 and 28,557.20 is: 39,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,782.16 : 68,677.16 = 28,557.20 : x
  2. Step 2: Convert to fraction form
    49,782.16/68,677.16 = 28,557.20/x
  3. Step 3: Cross multiply
    49,782.16x = 68,677.16 × 28,557.20
  4. Step 4: Simplify right side
    49,782.16x = 1,961,227,393.55
  5. Step 5: Solve for x
    x = 1,961,227,393.55/49,782.16
  6. Step 6: Final answer
    x = 39,396.19

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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.