Home / 30,348.68-45,514.10-10,623.56

Finding the Fourth Proportional to 30,348.68, 45,514.10 and 10,623.56

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Solution

The fourth proportional to 30,348.68, 45,514.10 and 10,623.56 is: 15,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348.68 : 45,514.10 = 10,623.56 : x
  2. Step 2: Convert to fraction form
    30,348.68/45,514.10 = 10,623.56/x
  3. Step 3: Cross multiply
    30,348.68x = 45,514.10 × 10,623.56
  4. Step 4: Simplify right side
    30,348.68x = 483,521,772.20
  5. Step 5: Solve for x
    x = 483,521,772.20/30,348.68
  6. Step 6: Final answer
    x = 15,932.22

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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.