Home / 39,602.41-54,651.32-21,698.09

Finding the Fourth Proportional to 39,602.41, 54,651.32 and 21,698.09

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Solution

The fourth proportional to 39,602.41, 54,651.32 and 21,698.09 is: 29,943.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,602.41 : 54,651.32 = 21,698.09 : x
  2. Step 2: Convert to fraction form
    39,602.41/54,651.32 = 21,698.09/x
  3. Step 3: Cross multiply
    39,602.41x = 54,651.32 × 21,698.09
  4. Step 4: Simplify right side
    39,602.41x = 1,185,829,259.98
  5. Step 5: Solve for x
    x = 1,185,829,259.98/39,602.41
  6. Step 6: Final answer
    x = 29,943.36

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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.