Home / 53,015.49-79,522.83-13,572.54

Finding the Fourth Proportional to 53,015.49, 79,522.83 and 13,572.54

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Solution

The fourth proportional to 53,015.49, 79,522.83 and 13,572.54 is: 20,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,015.49 : 79,522.83 = 13,572.54 : x
  2. Step 2: Convert to fraction form
    53,015.49/79,522.83 = 13,572.54/x
  3. Step 3: Cross multiply
    53,015.49x = 79,522.83 × 13,572.54
  4. Step 4: Simplify right side
    53,015.49x = 1,079,326,791.09
  5. Step 5: Solve for x
    x = 1,079,326,791.09/53,015.49
  6. Step 6: Final answer
    x = 20,358.71

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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.