Home / 35,905.44-49,548.36-19,989.08

Finding the Fourth Proportional to 35,905.44, 49,548.36 and 19,989.08

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Solution

The fourth proportional to 35,905.44, 49,548.36 and 19,989.08 is: 27,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.44 : 49,548.36 = 19,989.08 : x
  2. Step 2: Convert to fraction form
    35,905.44/49,548.36 = 19,989.08/x
  3. Step 3: Cross multiply
    35,905.44x = 49,548.36 × 19,989.08
  4. Step 4: Simplify right side
    35,905.44x = 990,426,131.91
  5. Step 5: Solve for x
    x = 990,426,131.91/35,905.44
  6. Step 6: Final answer
    x = 27,584.29

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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.