Home / 37,239.48-51,383.14-20,887.22

Finding the Fourth Proportional to 37,239.48, 51,383.14 and 20,887.22

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Solution

The fourth proportional to 37,239.48, 51,383.14 and 20,887.22 is: 28,820.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,239.48 : 51,383.14 = 20,887.22 : x
  2. Step 2: Convert to fraction form
    37,239.48/51,383.14 = 20,887.22/x
  3. Step 3: Cross multiply
    37,239.48x = 51,383.14 × 20,887.22
  4. Step 4: Simplify right side
    37,239.48x = 1,073,250,744.02
  5. Step 5: Solve for x
    x = 1,073,250,744.02/37,239.48
  6. Step 6: Final answer
    x = 28,820.24

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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.