Home / 30,091.75-41,528.06-18,154.84

Finding the Fourth Proportional to 30,091.75, 41,528.06 and 18,154.84

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Solution

The fourth proportional to 30,091.75, 41,528.06 and 18,154.84 is: 25,054.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,091.75 : 41,528.06 = 18,154.84 : x
  2. Step 2: Convert to fraction form
    30,091.75/41,528.06 = 18,154.84/x
  3. Step 3: Cross multiply
    30,091.75x = 41,528.06 × 18,154.84
  4. Step 4: Simplify right side
    30,091.75x = 753,935,284.81
  5. Step 5: Solve for x
    x = 753,935,284.81/30,091.75
  6. Step 6: Final answer
    x = 25,054.55

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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.