Home / 49,402.34-74,081.10-21,309.12

Finding the Fourth Proportional to 49,402.34, 74,081.10 and 21,309.12

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Solution

The fourth proportional to 49,402.34, 74,081.10 and 21,309.12 is: 31,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,402.34 : 74,081.10 = 21,309.12 : x
  2. Step 2: Convert to fraction form
    49,402.34/74,081.10 = 21,309.12/x
  3. Step 3: Cross multiply
    49,402.34x = 74,081.10 × 21,309.12
  4. Step 4: Simplify right side
    49,402.34x = 1,578,603,049.63
  5. Step 5: Solve for x
    x = 1,578,603,049.63/49,402.34
  6. Step 6: Final answer
    x = 31,954.01

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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.