Home / 35,405.07-48,858.99-19,490.55

Finding the Fourth Proportional to 35,405.07, 48,858.99 and 19,490.55

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Solution

The fourth proportional to 35,405.07, 48,858.99 and 19,490.55 is: 26,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.07 : 48,858.99 = 19,490.55 : x
  2. Step 2: Convert to fraction form
    35,405.07/48,858.99 = 19,490.55/x
  3. Step 3: Cross multiply
    35,405.07x = 48,858.99 × 19,490.55
  4. Step 4: Simplify right side
    35,405.07x = 952,288,587.54
  5. Step 5: Solve for x
    x = 952,288,587.54/35,405.07
  6. Step 6: Final answer
    x = 26,896.96

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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.