Home / 49,402.59-74,081.48-21,309.36

Finding the Fourth Proportional to 49,402.59, 74,081.48 and 21,309.36

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Solution

The fourth proportional to 49,402.59, 74,081.48 and 21,309.36 is: 31,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,402.59 : 74,081.48 = 21,309.36 : x
  2. Step 2: Convert to fraction form
    49,402.59/74,081.48 = 21,309.36/x
  3. Step 3: Cross multiply
    49,402.59x = 74,081.48 × 21,309.36
  4. Step 4: Simplify right side
    49,402.59x = 1,578,628,820.11
  5. Step 5: Solve for x
    x = 1,578,628,820.11/49,402.59
  6. Step 6: Final answer
    x = 31,954.37

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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.