Home / 40,377.87-60,573.72-13,721.04

Finding the Fourth Proportional to 40,377.87, 60,573.72 and 13,721.04

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Solution

The fourth proportional to 40,377.87, 60,573.72 and 13,721.04 is: 20,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,377.87 : 60,573.72 = 13,721.04 : x
  2. Step 2: Convert to fraction form
    40,377.87/60,573.72 = 13,721.04/x
  3. Step 3: Cross multiply
    40,377.87x = 60,573.72 × 13,721.04
  4. Step 4: Simplify right side
    40,377.87x = 831,134,435.07
  5. Step 5: Solve for x
    x = 831,134,435.07/40,377.87
  6. Step 6: Final answer
    x = 20,583.91

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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.