Home / 35,940.24-53,913.60-13,752.72

Finding the Fourth Proportional to 35,940.24, 53,913.60 and 13,752.72

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Solution

The fourth proportional to 35,940.24, 53,913.60 and 13,752.72 is: 20,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,940.24 : 53,913.60 = 13,752.72 : x
  2. Step 2: Convert to fraction form
    35,940.24/53,913.60 = 13,752.72/x
  3. Step 3: Cross multiply
    35,940.24x = 53,913.60 × 13,752.72
  4. Step 4: Simplify right side
    35,940.24x = 741,458,644.99
  5. Step 5: Solve for x
    x = 741,458,644.99/35,940.24
  6. Step 6: Final answer
    x = 20,630.32

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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.