Home / 35,408.42-53,145.48-17,890.55

Finding the Fourth Proportional to 35,408.42, 53,145.48 and 17,890.55

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Solution

The fourth proportional to 35,408.42, 53,145.48 and 17,890.55 is: 26,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,408.42 : 53,145.48 = 17,890.55 : x
  2. Step 2: Convert to fraction form
    35,408.42/53,145.48 = 17,890.55/x
  3. Step 3: Cross multiply
    35,408.42x = 53,145.48 × 17,890.55
  4. Step 4: Simplify right side
    35,408.42x = 950,801,601.49
  5. Step 5: Solve for x
    x = 950,801,601.49/35,408.42
  6. Step 6: Final answer
    x = 26,852.42

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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.