Home / 50,268.81-75,403.16-12,828.89

Finding the Fourth Proportional to 50,268.81, 75,403.16 and 12,828.89

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Solution

The fourth proportional to 50,268.81, 75,403.16 and 12,828.89 is: 19,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,268.81 : 75,403.16 = 12,828.89 : x
  2. Step 2: Convert to fraction form
    50,268.81/75,403.16 = 12,828.89/x
  3. Step 3: Cross multiply
    50,268.81x = 75,403.16 × 12,828.89
  4. Step 4: Simplify right side
    50,268.81x = 967,338,561.55
  5. Step 5: Solve for x
    x = 967,338,561.55/50,268.81
  6. Step 6: Final answer
    x = 19,243.31

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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.