Home / 40,917.12-61,383.60-15,956.16

Finding the Fourth Proportional to 40,917.12, 61,383.60 and 15,956.16

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Solution

The fourth proportional to 40,917.12, 61,383.60 and 15,956.16 is: 23,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,917.12 : 61,383.60 = 15,956.16 : x
  2. Step 2: Convert to fraction form
    40,917.12/61,383.60 = 15,956.16/x
  3. Step 3: Cross multiply
    40,917.12x = 61,383.60 × 15,956.16
  4. Step 4: Simplify right side
    40,917.12x = 979,446,542.98
  5. Step 5: Solve for x
    x = 979,446,542.98/40,917.12
  6. Step 6: Final answer
    x = 23,937.33

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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.