Home / 41,565.78-57,408.53-30,285.72

Finding the Fourth Proportional to 41,565.78, 57,408.53 and 30,285.72

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Solution

The fourth proportional to 41,565.78, 57,408.53 and 30,285.72 is: 41,829.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,565.78 : 57,408.53 = 30,285.72 : x
  2. Step 2: Convert to fraction form
    41,565.78/57,408.53 = 30,285.72/x
  3. Step 3: Cross multiply
    41,565.78x = 57,408.53 × 30,285.72
  4. Step 4: Simplify right side
    41,565.78x = 1,738,658,513.76
  5. Step 5: Solve for x
    x = 1,738,658,513.76/41,565.78
  6. Step 6: Final answer
    x = 41,829.08

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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.