Home / 30,087.46-41,507.66-18,144.17

Finding the Fourth Proportional to 30,087.46, 41,507.66 and 18,144.17

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Solution

The fourth proportional to 30,087.46, 41,507.66 and 18,144.17 is: 25,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,087.46 : 41,507.66 = 18,144.17 : x
  2. Step 2: Convert to fraction form
    30,087.46/41,507.66 = 18,144.17/x
  3. Step 3: Cross multiply
    30,087.46x = 41,507.66 × 18,144.17
  4. Step 4: Simplify right side
    30,087.46x = 753,121,741.08
  5. Step 5: Solve for x
    x = 753,121,741.08/30,087.46
  6. Step 6: Final answer
    x = 25,031.08

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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.