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Finding the Fourth Proportional to 35,505.59, 48,999.29 and 19,589.09

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Solution

The fourth proportional to 35,505.59, 48,999.29 and 19,589.09 is: 27,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,505.59 : 48,999.29 = 19,589.09 : x
  2. Step 2: Convert to fraction form
    35,505.59/48,999.29 = 19,589.09/x
  3. Step 3: Cross multiply
    35,505.59x = 48,999.29 × 19,589.09
  4. Step 4: Simplify right side
    35,505.59x = 959,851,158.80
  5. Step 5: Solve for x
    x = 959,851,158.80/35,505.59
  6. Step 6: Final answer
    x = 27,033.81

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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.