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Finding the Fourth Proportional to 35,377.88, 48,821.88 and 20,270.24

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Solution

The fourth proportional to 35,377.88, 48,821.88 and 20,270.24 is: 27,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,377.88 : 48,821.88 = 20,270.24 : x
  2. Step 2: Convert to fraction form
    35,377.88/48,821.88 = 20,270.24/x
  3. Step 3: Cross multiply
    35,377.88x = 48,821.88 × 20,270.24
  4. Step 4: Simplify right side
    35,377.88x = 989,631,052.12
  5. Step 5: Solve for x
    x = 989,631,052.12/35,377.88
  6. Step 6: Final answer
    x = 27,973.16

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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.