Home / 32,758.70-45,216.74-21,273.30

Finding the Fourth Proportional to 32,758.70, 45,216.74 and 21,273.30

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Solution

The fourth proportional to 32,758.70, 45,216.74 and 21,273.30 is: 29,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,758.70 : 45,216.74 = 21,273.30 : x
  2. Step 2: Convert to fraction form
    32,758.70/45,216.74 = 21,273.30/x
  3. Step 3: Cross multiply
    32,758.70x = 45,216.74 × 21,273.30
  4. Step 4: Simplify right side
    32,758.70x = 961,909,168.68
  5. Step 5: Solve for x
    x = 961,909,168.68/32,758.70
  6. Step 6: Final answer
    x = 29,363.48

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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.