Home / 35,405.21-48,858.81-19,489.32

Finding the Fourth Proportional to 35,405.21, 48,858.81 and 19,489.32

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Solution

The fourth proportional to 35,405.21, 48,858.81 and 19,489.32 is: 26,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.21 : 48,858.81 = 19,489.32 : x
  2. Step 2: Convert to fraction form
    35,405.21/48,858.81 = 19,489.32/x
  3. Step 3: Cross multiply
    35,405.21x = 48,858.81 × 19,489.32
  4. Step 4: Simplify right side
    35,405.21x = 952,224,982.91
  5. Step 5: Solve for x
    x = 952,224,982.91/35,405.21
  6. Step 6: Final answer
    x = 26,895.05

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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.