Home / 38,664.14-57,983.85-12,362.63

Finding the Fourth Proportional to 38,664.14, 57,983.85 and 12,362.63

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Solution

The fourth proportional to 38,664.14, 57,983.85 and 12,362.63 is: 18,539.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.14 : 57,983.85 = 12,362.63 : x
  2. Step 2: Convert to fraction form
    38,664.14/57,983.85 = 12,362.63/x
  3. Step 3: Cross multiply
    38,664.14x = 57,983.85 × 12,362.63
  4. Step 4: Simplify right side
    38,664.14x = 716,832,593.61
  5. Step 5: Solve for x
    x = 716,832,593.61/38,664.14
  6. Step 6: Final answer
    x = 18,539.99

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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.