Home / 49,734.64-68,642.14-31,828.78

Finding the Fourth Proportional to 49,734.64, 68,642.14 and 31,828.78

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Solution

The fourth proportional to 49,734.64, 68,642.14 and 31,828.78 is: 43,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,734.64 : 68,642.14 = 31,828.78 : x
  2. Step 2: Convert to fraction form
    49,734.64/68,642.14 = 31,828.78/x
  3. Step 3: Cross multiply
    49,734.64x = 68,642.14 × 31,828.78
  4. Step 4: Simplify right side
    49,734.64x = 2,184,795,572.79
  5. Step 5: Solve for x
    x = 2,184,795,572.79/49,734.64
  6. Step 6: Final answer
    x = 43,929.05

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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.