Home / 30,349.26-45,500.13-19,253.88

Finding the Fourth Proportional to 30,349.26, 45,500.13 and 19,253.88

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Solution

The fourth proportional to 30,349.26, 45,500.13 and 19,253.88 is: 28,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.26 : 45,500.13 = 19,253.88 : x
  2. Step 2: Convert to fraction form
    30,349.26/45,500.13 = 19,253.88/x
  3. Step 3: Cross multiply
    30,349.26x = 45,500.13 × 19,253.88
  4. Step 4: Simplify right side
    30,349.26x = 876,054,043.00
  5. Step 5: Solve for x
    x = 876,054,043.00/30,349.26
  6. Step 6: Final answer
    x = 28,865.75

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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.