Home / 50,416.78-75,636.12-15,355.54

Finding the Fourth Proportional to 50,416.78, 75,636.12 and 15,355.54

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Solution

The fourth proportional to 50,416.78, 75,636.12 and 15,355.54 is: 23,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,416.78 : 75,636.12 = 15,355.54 : x
  2. Step 2: Convert to fraction form
    50,416.78/75,636.12 = 15,355.54/x
  3. Step 3: Cross multiply
    50,416.78x = 75,636.12 × 15,355.54
  4. Step 4: Simplify right side
    50,416.78x = 1,161,433,466.10
  5. Step 5: Solve for x
    x = 1,161,433,466.10/50,416.78
  6. Step 6: Final answer
    x = 23,036.65

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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.