Home / 30,125.83-45,145.45-16,950.37

Finding the Fourth Proportional to 30,125.83, 45,145.45 and 16,950.37

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Solution

The fourth proportional to 30,125.83, 45,145.45 and 16,950.37 is: 25,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,125.83 : 45,145.45 = 16,950.37 : x
  2. Step 2: Convert to fraction form
    30,125.83/45,145.45 = 16,950.37/x
  3. Step 3: Cross multiply
    30,125.83x = 45,145.45 × 16,950.37
  4. Step 4: Simplify right side
    30,125.83x = 765,232,081.32
  5. Step 5: Solve for x
    x = 765,232,081.32/30,125.83
  6. Step 6: Final answer
    x = 25,401.19

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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.