Home / 30,047.18-41,464.32-16,618.06

Finding the Fourth Proportional to 30,047.18, 41,464.32 and 16,618.06

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Solution

The fourth proportional to 30,047.18, 41,464.32 and 16,618.06 is: 22,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.18 : 41,464.32 = 16,618.06 : x
  2. Step 2: Convert to fraction form
    30,047.18/41,464.32 = 16,618.06/x
  3. Step 3: Cross multiply
    30,047.18x = 41,464.32 × 16,618.06
  4. Step 4: Simplify right side
    30,047.18x = 689,056,557.62
  5. Step 5: Solve for x
    x = 689,056,557.62/30,047.18
  6. Step 6: Final answer
    x = 22,932.49

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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.