Home / 35,390.42-53,122.50-15,682.82

Finding the Fourth Proportional to 35,390.42, 53,122.50 and 15,682.82

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Solution

The fourth proportional to 35,390.42, 53,122.50 and 15,682.82 is: 23,540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,390.42 : 53,122.50 = 15,682.82 : x
  2. Step 2: Convert to fraction form
    35,390.42/53,122.50 = 15,682.82/x
  3. Step 3: Cross multiply
    35,390.42x = 53,122.50 × 15,682.82
  4. Step 4: Simplify right side
    35,390.42x = 833,110,339.84
  5. Step 5: Solve for x
    x = 833,110,339.84/35,390.42
  6. Step 6: Final answer
    x = 23,540.56

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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.