Home / 50,285.59-75,428.39-12,845.75

Finding the Fourth Proportional to 50,285.59, 75,428.39 and 12,845.75

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Solution

The fourth proportional to 50,285.59, 75,428.39 and 12,845.75 is: 19,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,285.59 : 75,428.39 = 12,845.75 : x
  2. Step 2: Convert to fraction form
    50,285.59/75,428.39 = 12,845.75/x
  3. Step 3: Cross multiply
    50,285.59x = 75,428.39 × 12,845.75
  4. Step 4: Simplify right side
    50,285.59x = 968,934,071.83
  5. Step 5: Solve for x
    x = 968,934,071.83/50,285.59
  6. Step 6: Final answer
    x = 19,268.62

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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.