Home / 49,503.47-68,308.66-31,608.95

Finding the Fourth Proportional to 49,503.47, 68,308.66 and 31,608.95

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Solution

The fourth proportional to 49,503.47, 68,308.66 and 31,608.95 is: 43,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,503.47 : 68,308.66 = 31,608.95 : x
  2. Step 2: Convert to fraction form
    49,503.47/68,308.66 = 31,608.95/x
  3. Step 3: Cross multiply
    49,503.47x = 68,308.66 × 31,608.95
  4. Step 4: Simplify right side
    49,503.47x = 2,159,165,018.51
  5. Step 5: Solve for x
    x = 2,159,165,018.51/49,503.47
  6. Step 6: Final answer
    x = 43,616.44

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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.