Home / 34,418.69-47,493.90-19,308.21

Finding the Fourth Proportional to 34,418.69, 47,493.90 and 19,308.21

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Solution

The fourth proportional to 34,418.69, 47,493.90 and 19,308.21 is: 26,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,418.69 : 47,493.90 = 19,308.21 : x
  2. Step 2: Convert to fraction form
    34,418.69/47,493.90 = 19,308.21/x
  3. Step 3: Cross multiply
    34,418.69x = 47,493.90 × 19,308.21
  4. Step 4: Simplify right side
    34,418.69x = 917,022,194.92
  5. Step 5: Solve for x
    x = 917,022,194.92/34,418.69
  6. Step 6: Final answer
    x = 26,643.15

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1.5x scale

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.