Home / 34,726.69-47,922.79-18,811.20

Finding the Fourth Proportional to 34,726.69, 47,922.79 and 18,811.20

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Solution

The fourth proportional to 34,726.69, 47,922.79 and 18,811.20 is: 25,959.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,726.69 : 47,922.79 = 18,811.20 : x
  2. Step 2: Convert to fraction form
    34,726.69/47,922.79 = 18,811.20/x
  3. Step 3: Cross multiply
    34,726.69x = 47,922.79 × 18,811.20
  4. Step 4: Simplify right side
    34,726.69x = 901,485,355.20
  5. Step 5: Solve for x
    x = 901,485,355.20/34,726.69
  6. Step 6: Final answer
    x = 25,959.44

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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.