Home / 30,227.15-41,713.31-16,615.51

Finding the Fourth Proportional to 30,227.15, 41,713.31 and 16,615.51

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Solution

The fourth proportional to 30,227.15, 41,713.31 and 16,615.51 is: 22,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,227.15 : 41,713.31 = 16,615.51 : x
  2. Step 2: Convert to fraction form
    30,227.15/41,713.31 = 16,615.51/x
  3. Step 3: Cross multiply
    30,227.15x = 41,713.31 × 16,615.51
  4. Step 4: Simplify right side
    30,227.15x = 693,087,856.69
  5. Step 5: Solve for x
    x = 693,087,856.69/30,227.15
  6. Step 6: Final answer
    x = 22,929.31

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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.