Home / 49,283.04-68,018.28-31,385.88

Finding the Fourth Proportional to 49,283.04, 68,018.28 and 31,385.88

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Solution

The fourth proportional to 49,283.04, 68,018.28 and 31,385.88 is: 43,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,283.04 : 68,018.28 = 31,385.88 : x
  2. Step 2: Convert to fraction form
    49,283.04/68,018.28 = 31,385.88/x
  3. Step 3: Cross multiply
    49,283.04x = 68,018.28 × 31,385.88
  4. Step 4: Simplify right side
    49,283.04x = 2,134,813,573.89
  5. Step 5: Solve for x
    x = 2,134,813,573.89/49,283.04
  6. Step 6: Final answer
    x = 43,317.41

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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.