Home / 53,144.64-79,728.21-17,603.95

Finding the Fourth Proportional to 53,144.64, 79,728.21 and 17,603.95

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Solution

The fourth proportional to 53,144.64, 79,728.21 and 17,603.95 is: 26,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,144.64 : 79,728.21 = 17,603.95 : x
  2. Step 2: Convert to fraction form
    53,144.64/79,728.21 = 17,603.95/x
  3. Step 3: Cross multiply
    53,144.64x = 79,728.21 × 17,603.95
  4. Step 4: Simplify right side
    53,144.64x = 1,403,531,179.10
  5. Step 5: Solve for x
    x = 1,403,531,179.10/53,144.64
  6. Step 6: Final answer
    x = 26,409.65

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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.