Home / 30,057.20-41,479.10-16,628.93

Finding the Fourth Proportional to 30,057.20, 41,479.10 and 16,628.93

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Solution

The fourth proportional to 30,057.20, 41,479.10 and 16,628.93 is: 22,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057.20 : 41,479.10 = 16,628.93 : x
  2. Step 2: Convert to fraction form
    30,057.20/41,479.10 = 16,628.93/x
  3. Step 3: Cross multiply
    30,057.20x = 41,479.10 × 16,628.93
  4. Step 4: Simplify right side
    30,057.20x = 689,752,759.82
  5. Step 5: Solve for x
    x = 689,752,759.82/30,057.20
  6. Step 6: Final answer
    x = 22,948.01

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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.