Home / 34,591.68-47,736.80-19,688.64

Finding the Fourth Proportional to 34,591.68, 47,736.80 and 19,688.64

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Solution

The fourth proportional to 34,591.68, 47,736.80 and 19,688.64 is: 27,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,591.68 : 47,736.80 = 19,688.64 : x
  2. Step 2: Convert to fraction form
    34,591.68/47,736.80 = 19,688.64/x
  3. Step 3: Cross multiply
    34,591.68x = 47,736.80 × 19,688.64
  4. Step 4: Simplify right side
    34,591.68x = 939,872,669.95
  5. Step 5: Solve for x
    x = 939,872,669.95/34,591.68
  6. Step 6: Final answer
    x = 27,170.48

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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.