Home / 36,225.64-49,996.20-21,118.60

Finding the Fourth Proportional to 36,225.64, 49,996.20 and 21,118.60

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Solution

The fourth proportional to 36,225.64, 49,996.20 and 21,118.60 is: 29,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,225.64 : 49,996.20 = 21,118.60 : x
  2. Step 2: Convert to fraction form
    36,225.64/49,996.20 = 21,118.60/x
  3. Step 3: Cross multiply
    36,225.64x = 49,996.20 × 21,118.60
  4. Step 4: Simplify right side
    36,225.64x = 1,055,849,749.32
  5. Step 5: Solve for x
    x = 1,055,849,749.32/36,225.64
  6. Step 6: Final answer
    x = 29,146.48

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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.