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Finding the Fourth Proportional to 35,610.42, 53,434.19 and 25,830.42

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Solution

The fourth proportional to 35,610.42, 53,434.19 and 25,830.42 is: 38,759.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,610.42 : 53,434.19 = 25,830.42 : x
  2. Step 2: Convert to fraction form
    35,610.42/53,434.19 = 25,830.42/x
  3. Step 3: Cross multiply
    35,610.42x = 53,434.19 × 25,830.42
  4. Step 4: Simplify right side
    35,610.42x = 1,380,227,440.91
  5. Step 5: Solve for x
    x = 1,380,227,440.91/35,610.42
  6. Step 6: Final answer
    x = 38,759.09

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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.