Home / 40,942.72-61,414.80-14,666.32

Finding the Fourth Proportional to 40,942.72, 61,414.80 and 14,666.32

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Solution

The fourth proportional to 40,942.72, 61,414.80 and 14,666.32 is: 21,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,942.72 : 61,414.80 = 14,666.32 : x
  2. Step 2: Convert to fraction form
    40,942.72/61,414.80 = 14,666.32/x
  3. Step 3: Cross multiply
    40,942.72x = 61,414.80 × 14,666.32
  4. Step 4: Simplify right side
    40,942.72x = 900,729,109.54
  5. Step 5: Solve for x
    x = 900,729,109.54/40,942.72
  6. Step 6: Final answer
    x = 21,999.74

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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.