Home / 65,055.36-97,516.57-36,916

Finding the Fourth Proportional to 65,055.36, 97,516.57 and 36,916

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Solution

The fourth proportional to 65,055.36, 97,516.57 and 36,916 is: 55,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,055.36 : 97,516.57 = 36,916 : x
  2. Step 2: Convert to fraction form
    65,055.36/97,516.57 = 36,916/x
  3. Step 3: Cross multiply
    65,055.36x = 97,516.57 × 36,916
  4. Step 4: Simplify right side
    65,055.36x = 3,599,921,698.12
  5. Step 5: Solve for x
    x = 3,599,921,698.12/65,055.36
  6. Step 6: Final answer
    x = 55,336.28

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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.