Home / 33,086.61-45,661.83-18,746.31

Finding the Fourth Proportional to 33,086.61, 45,661.83 and 18,746.31

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Solution

The fourth proportional to 33,086.61, 45,661.83 and 18,746.31 is: 25,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,086.61 : 45,661.83 = 18,746.31 : x
  2. Step 2: Convert to fraction form
    33,086.61/45,661.83 = 18,746.31/x
  3. Step 3: Cross multiply
    33,086.61x = 45,661.83 × 18,746.31
  4. Step 4: Simplify right side
    33,086.61x = 855,990,820.35
  5. Step 5: Solve for x
    x = 855,990,820.35/33,086.61
  6. Step 6: Final answer
    x = 25,871.22

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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.