Home / 35,987.09-53,997.03-18,469.22

Finding the Fourth Proportional to 35,987.09, 53,997.03 and 18,469.22

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Solution

The fourth proportional to 35,987.09, 53,997.03 and 18,469.22 is: 27,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.09 : 53,997.03 = 18,469.22 : x
  2. Step 2: Convert to fraction form
    35,987.09/53,997.03 = 18,469.22/x
  3. Step 3: Cross multiply
    35,987.09x = 53,997.03 × 18,469.22
  4. Step 4: Simplify right side
    35,987.09x = 997,282,756.43
  5. Step 5: Solve for x
    x = 997,282,756.43/35,987.09
  6. Step 6: Final answer
    x = 27,712.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.