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Finding the Fourth Proportional to 35,911.01, 53,735.29 and 21,126.89

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Solution

The fourth proportional to 35,911.01, 53,735.29 and 21,126.89 is: 31,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,911.01 : 53,735.29 = 21,126.89 : x
  2. Step 2: Convert to fraction form
    35,911.01/53,735.29 = 21,126.89/x
  3. Step 3: Cross multiply
    35,911.01x = 53,735.29 × 21,126.89
  4. Step 4: Simplify right side
    35,911.01x = 1,135,259,761.31
  5. Step 5: Solve for x
    x = 1,135,259,761.31/35,911.01
  6. Step 6: Final answer
    x = 31,613.14

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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.