Home / 35,404.90-48,857.30-20,287.03

Finding the Fourth Proportional to 35,404.90, 48,857.30 and 20,287.03

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Solution

The fourth proportional to 35,404.90, 48,857.30 and 20,287.03 is: 27,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,404.90 : 48,857.30 = 20,287.03 : x
  2. Step 2: Convert to fraction form
    35,404.90/48,857.30 = 20,287.03/x
  3. Step 3: Cross multiply
    35,404.90x = 48,857.30 × 20,287.03
  4. Step 4: Simplify right side
    35,404.90x = 991,169,649.39
  5. Step 5: Solve for x
    x = 991,169,649.39/35,404.90
  6. Step 6: Final answer
    x = 27,995.27

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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.