Home / 30,087.20-41,521.86-16,659.93

Finding the Fourth Proportional to 30,087.20, 41,521.86 and 16,659.93

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Solution

The fourth proportional to 30,087.20, 41,521.86 and 16,659.93 is: 22,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,087.20 : 41,521.86 = 16,659.93 : x
  2. Step 2: Convert to fraction form
    30,087.20/41,521.86 = 16,659.93/x
  3. Step 3: Cross multiply
    30,087.20x = 41,521.86 × 16,659.93
  4. Step 4: Simplify right side
    30,087.20x = 691,751,281.07
  5. Step 5: Solve for x
    x = 691,751,281.07/30,087.20
  6. Step 6: Final answer
    x = 22,991.55

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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.