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Finding the Fourth Proportional to 35,992.80, 49,670.03 and 20,077.25

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Solution

The fourth proportional to 35,992.80, 49,670.03 and 20,077.25 is: 27,706.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,992.80 : 49,670.03 = 20,077.25 : x
  2. Step 2: Convert to fraction form
    35,992.80/49,670.03 = 20,077.25/x
  3. Step 3: Cross multiply
    35,992.80x = 49,670.03 × 20,077.25
  4. Step 4: Simplify right side
    35,992.80x = 997,237,261.08
  5. Step 5: Solve for x
    x = 997,237,261.08/35,992.80
  6. Step 6: Final answer
    x = 27,706.58

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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.