Home / 30,250.68-45,378.43-9,192.56

Finding the Fourth Proportional to 30,250.68, 45,378.43 and 9,192.56

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Solution

The fourth proportional to 30,250.68, 45,378.43 and 9,192.56 is: 13,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.68 : 45,378.43 = 9,192.56 : x
  2. Step 2: Convert to fraction form
    30,250.68/45,378.43 = 9,192.56/x
  3. Step 3: Cross multiply
    30,250.68x = 45,378.43 × 9,192.56
  4. Step 4: Simplify right side
    30,250.68x = 417,144,073.49
  5. Step 5: Solve for x
    x = 417,144,073.49/30,250.68
  6. Step 6: Final answer
    x = 13,789.57

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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.