Home / 49,781.04-68,696.28-28,560.66

Finding the Fourth Proportional to 49,781.04, 68,696.28 and 28,560.66

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Solution

The fourth proportional to 49,781.04, 68,696.28 and 28,560.66 is: 39,412.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,781.04 : 68,696.28 = 28,560.66 : x
  2. Step 2: Convert to fraction form
    49,781.04/68,696.28 = 28,560.66/x
  3. Step 3: Cross multiply
    49,781.04x = 68,696.28 × 28,560.66
  4. Step 4: Simplify right side
    49,781.04x = 1,962,011,096.34
  5. Step 5: Solve for x
    x = 1,962,011,096.34/49,781.04
  6. Step 6: Final answer
    x = 39,412.82

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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.