Home / 37,887.44-52,288.20-21,120.08

Finding the Fourth Proportional to 37,887.44, 52,288.20 and 21,120.08

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Solution

The fourth proportional to 37,887.44, 52,288.20 and 21,120.08 is: 29,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,887.44 : 52,288.20 = 21,120.08 : x
  2. Step 2: Convert to fraction form
    37,887.44/52,288.20 = 21,120.08/x
  3. Step 3: Cross multiply
    37,887.44x = 52,288.20 × 21,120.08
  4. Step 4: Simplify right side
    37,887.44x = 1,104,330,967.06
  5. Step 5: Solve for x
    x = 1,104,330,967.06/37,887.44
  6. Step 6: Final answer
    x = 29,147.68

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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.