Home / 38,066.96-57,096.32-9,989.81

Finding the Fourth Proportional to 38,066.96, 57,096.32 and 9,989.81

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Solution

The fourth proportional to 38,066.96, 57,096.32 and 9,989.81 is: 14,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,066.96 : 57,096.32 = 9,989.81 : x
  2. Step 2: Convert to fraction form
    38,066.96/57,096.32 = 9,989.81/x
  3. Step 3: Cross multiply
    38,066.96x = 57,096.32 × 9,989.81
  4. Step 4: Simplify right side
    38,066.96x = 570,381,127.99
  5. Step 5: Solve for x
    x = 570,381,127.99/38,066.96
  6. Step 6: Final answer
    x = 14,983.63

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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.