Home / 30,250.19-45,345.66-16,929.69

Finding the Fourth Proportional to 30,250.19, 45,345.66 and 16,929.69

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Solution

The fourth proportional to 30,250.19, 45,345.66 and 16,929.69 is: 25,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.19 : 45,345.66 = 16,929.69 : x
  2. Step 2: Convert to fraction form
    30,250.19/45,345.66 = 16,929.69/x
  3. Step 3: Cross multiply
    30,250.19x = 45,345.66 × 16,929.69
  4. Step 4: Simplify right side
    30,250.19x = 767,687,739.92
  5. Step 5: Solve for x
    x = 767,687,739.92/30,250.19
  6. Step 6: Final answer
    x = 25,377.95

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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.