Home / 33,132.37-45,723.93-18,987.95

Finding the Fourth Proportional to 33,132.37, 45,723.93 and 18,987.95

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Solution

The fourth proportional to 33,132.37, 45,723.93 and 18,987.95 is: 26,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,132.37 : 45,723.93 = 18,987.95 : x
  2. Step 2: Convert to fraction form
    33,132.37/45,723.93 = 18,987.95/x
  3. Step 3: Cross multiply
    33,132.37x = 45,723.93 × 18,987.95
  4. Step 4: Simplify right side
    33,132.37x = 868,203,373.08
  5. Step 5: Solve for x
    x = 868,203,373.08/33,132.37
  6. Step 6: Final answer
    x = 26,204.09

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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.