Home / 45,664.72-63,012-25,521.64

Finding the Fourth Proportional to 45,664.72, 63,012 and 25,521.64

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Solution

The fourth proportional to 45,664.72, 63,012 and 25,521.64 is: 35,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,664.72 : 63,012 = 25,521.64 : x
  2. Step 2: Convert to fraction form
    45,664.72/63,012 = 25,521.64/x
  3. Step 3: Cross multiply
    45,664.72x = 63,012 × 25,521.64
  4. Step 4: Simplify right side
    45,664.72x = 1,608,169,579.68
  5. Step 5: Solve for x
    x = 1,608,169,579.68/45,664.72
  6. Step 6: Final answer
    x = 35,216.89

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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.