Home / 47,428.46-65,481.81-30,440.02

Finding the Fourth Proportional to 47,428.46, 65,481.81 and 30,440.02

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Solution

The fourth proportional to 47,428.46, 65,481.81 and 30,440.02 is: 42,026.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,428.46 : 65,481.81 = 30,440.02 : x
  2. Step 2: Convert to fraction form
    47,428.46/65,481.81 = 30,440.02/x
  3. Step 3: Cross multiply
    47,428.46x = 65,481.81 × 30,440.02
  4. Step 4: Simplify right side
    47,428.46x = 1,993,267,606.04
  5. Step 5: Solve for x
    x = 1,993,267,606.04/47,428.46
  6. Step 6: Final answer
    x = 42,026.83

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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.