Home / 34,666.45-47,839.61-18,751.16

Finding the Fourth Proportional to 34,666.45, 47,839.61 and 18,751.16

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Solution

The fourth proportional to 34,666.45, 47,839.61 and 18,751.16 is: 25,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,666.45 : 47,839.61 = 18,751.16 : x
  2. Step 2: Convert to fraction form
    34,666.45/47,839.61 = 18,751.16/x
  3. Step 3: Cross multiply
    34,666.45x = 47,839.61 × 18,751.16
  4. Step 4: Simplify right side
    34,666.45x = 897,048,347.92
  5. Step 5: Solve for x
    x = 897,048,347.92/34,666.45
  6. Step 6: Final answer
    x = 25,876.56

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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.