Home / 30,253.06-41,731.52-19,649.76

Finding the Fourth Proportional to 30,253.06, 41,731.52 and 19,649.76

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Solution

The fourth proportional to 30,253.06, 41,731.52 and 19,649.76 is: 27,105.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.06 : 41,731.52 = 19,649.76 : x
  2. Step 2: Convert to fraction form
    30,253.06/41,731.52 = 19,649.76/x
  3. Step 3: Cross multiply
    30,253.06x = 41,731.52 × 19,649.76
  4. Step 4: Simplify right side
    30,253.06x = 820,014,352.44
  5. Step 5: Solve for x
    x = 820,014,352.44/30,253.06
  6. Step 6: Final answer
    x = 27,105.17

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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.