Home / 34,849.17-47,982.60-30,756.78

Finding the Fourth Proportional to 34,849.17, 47,982.60 and 30,756.78

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Solution

The fourth proportional to 34,849.17, 47,982.60 and 30,756.78 is: 42,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,849.17 : 47,982.60 = 30,756.78 : x
  2. Step 2: Convert to fraction form
    34,849.17/47,982.60 = 30,756.78/x
  3. Step 3: Cross multiply
    34,849.17x = 47,982.60 × 30,756.78
  4. Step 4: Simplify right side
    34,849.17x = 1,475,790,272.03
  5. Step 5: Solve for x
    x = 1,475,790,272.03/34,849.17
  6. Step 6: Final answer
    x = 42,347.93

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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.