Home / 49,866.59-68,809.70-30,495.23

Finding the Fourth Proportional to 49,866.59, 68,809.70 and 30,495.23

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Solution

The fourth proportional to 49,866.59, 68,809.70 and 30,495.23 is: 42,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,866.59 : 68,809.70 = 30,495.23 : x
  2. Step 2: Convert to fraction form
    49,866.59/68,809.70 = 30,495.23/x
  3. Step 3: Cross multiply
    49,866.59x = 68,809.70 × 30,495.23
  4. Step 4: Simplify right side
    49,866.59x = 2,098,368,005.01
  5. Step 5: Solve for x
    x = 2,098,368,005.01/49,866.59
  6. Step 6: Final answer
    x = 42,079.64

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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.