Home / 48,640.36-72,954-13,583.56

Finding the Fourth Proportional to 48,640.36, 72,954 and 13,583.56

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Solution

The fourth proportional to 48,640.36, 72,954 and 13,583.56 is: 20,373.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,640.36 : 72,954 = 13,583.56 : x
  2. Step 2: Convert to fraction form
    48,640.36/72,954 = 13,583.56/x
  3. Step 3: Cross multiply
    48,640.36x = 72,954 × 13,583.56
  4. Step 4: Simplify right side
    48,640.36x = 990,975,036.24
  5. Step 5: Solve for x
    x = 990,975,036.24/48,640.36
  6. Step 6: Final answer
    x = 20,373.51

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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.