Home / 37,887.04-52,284.78-21,120.04

Finding the Fourth Proportional to 37,887.04, 52,284.78 and 21,120.04

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Solution

The fourth proportional to 37,887.04, 52,284.78 and 21,120.04 is: 29,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,887.04 : 52,284.78 = 21,120.04 : x
  2. Step 2: Convert to fraction form
    37,887.04/52,284.78 = 21,120.04/x
  3. Step 3: Cross multiply
    37,887.04x = 52,284.78 × 21,120.04
  4. Step 4: Simplify right side
    37,887.04x = 1,104,256,644.99
  5. Step 5: Solve for x
    x = 1,104,256,644.99/37,887.04
  6. Step 6: Final answer
    x = 29,146.03

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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.