Home / 30,043.32-41,458.53-16,431.14

Finding the Fourth Proportional to 30,043.32, 41,458.53 and 16,431.14

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Solution

The fourth proportional to 30,043.32, 41,458.53 and 16,431.14 is: 22,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,043.32 : 41,458.53 = 16,431.14 : x
  2. Step 2: Convert to fraction form
    30,043.32/41,458.53 = 16,431.14/x
  3. Step 3: Cross multiply
    30,043.32x = 41,458.53 × 16,431.14
  4. Step 4: Simplify right side
    30,043.32x = 681,211,017.59
  5. Step 5: Solve for x
    x = 681,211,017.59/30,043.32
  6. Step 6: Final answer
    x = 22,674.29

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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.