Home / 51,013.72-70,412.79-33,107.64

Finding the Fourth Proportional to 51,013.72, 70,412.79 and 33,107.64

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Solution

The fourth proportional to 51,013.72, 70,412.79 and 33,107.64 is: 45,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,013.72 : 70,412.79 = 33,107.64 : x
  2. Step 2: Convert to fraction form
    51,013.72/70,412.79 = 33,107.64/x
  3. Step 3: Cross multiply
    51,013.72x = 70,412.79 × 33,107.64
  4. Step 4: Simplify right side
    51,013.72x = 2,331,201,302.72
  5. Step 5: Solve for x
    x = 2,331,201,302.72/51,013.72
  6. Step 6: Final answer
    x = 45,697.54

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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.