Home / 30,546.72-45,857.52-18,882.72

Finding the Fourth Proportional to 30,546.72, 45,857.52 and 18,882.72

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Solution

The fourth proportional to 30,546.72, 45,857.52 and 18,882.72 is: 28,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,546.72 : 45,857.52 = 18,882.72 : x
  2. Step 2: Convert to fraction form
    30,546.72/45,857.52 = 18,882.72/x
  3. Step 3: Cross multiply
    30,546.72x = 45,857.52 × 18,882.72
  4. Step 4: Simplify right side
    30,546.72x = 865,914,710.05
  5. Step 5: Solve for x
    x = 865,914,710.05/30,546.72
  6. Step 6: Final answer
    x = 28,347.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.