Home / 35,343.90-48,767.58-20,241.36

Finding the Fourth Proportional to 35,343.90, 48,767.58 and 20,241.36

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Solution

The fourth proportional to 35,343.90, 48,767.58 and 20,241.36 is: 27,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,343.90 : 48,767.58 = 20,241.36 : x
  2. Step 2: Convert to fraction form
    35,343.90/48,767.58 = 20,241.36/x
  3. Step 3: Cross multiply
    35,343.90x = 48,767.58 × 20,241.36
  4. Step 4: Simplify right side
    35,343.90x = 987,122,143.11
  5. Step 5: Solve for x
    x = 987,122,143.11/35,343.90
  6. Step 6: Final answer
    x = 27,929.07

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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.