Home / 40,910.84-61,357.08-15,942.32

Finding the Fourth Proportional to 40,910.84, 61,357.08 and 15,942.32

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Solution

The fourth proportional to 40,910.84, 61,357.08 and 15,942.32 is: 23,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,910.84 : 61,357.08 = 15,942.32 : x
  2. Step 2: Convert to fraction form
    40,910.84/61,357.08 = 15,942.32/x
  3. Step 3: Cross multiply
    40,910.84x = 61,357.08 × 15,942.32
  4. Step 4: Simplify right side
    40,910.84x = 978,174,203.63
  5. Step 5: Solve for x
    x = 978,174,203.63/40,910.84
  6. Step 6: Final answer
    x = 23,909.90

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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.