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Finding the Fourth Proportional to 35,960.88, 49,630.82 and 20,653.46

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Solution

The fourth proportional to 35,960.88, 49,630.82 and 20,653.46 is: 28,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,960.88 : 49,630.82 = 20,653.46 : x
  2. Step 2: Convert to fraction form
    35,960.88/49,630.82 = 20,653.46/x
  3. Step 3: Cross multiply
    35,960.88x = 49,630.82 × 20,653.46
  4. Step 4: Simplify right side
    35,960.88x = 1,025,047,804.22
  5. Step 5: Solve for x
    x = 1,025,047,804.22/35,960.88
  6. Step 6: Final answer
    x = 28,504.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.