Home / 30,190.13-41,633.36-18,088.66

Finding the Fourth Proportional to 30,190.13, 41,633.36 and 18,088.66

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Solution

The fourth proportional to 30,190.13, 41,633.36 and 18,088.66 is: 24,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,190.13 : 41,633.36 = 18,088.66 : x
  2. Step 2: Convert to fraction form
    30,190.13/41,633.36 = 18,088.66/x
  3. Step 3: Cross multiply
    30,190.13x = 41,633.36 × 18,088.66
  4. Step 4: Simplify right side
    30,190.13x = 753,091,395.09
  5. Step 5: Solve for x
    x = 753,091,395.09/30,190.13
  6. Step 6: Final answer
    x = 24,944.95

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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.