Home / 39,599.66-54,647.54-21,695.30

Finding the Fourth Proportional to 39,599.66, 54,647.54 and 21,695.30

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Solution

The fourth proportional to 39,599.66, 54,647.54 and 21,695.30 is: 29,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,599.66 : 54,647.54 = 21,695.30 : x
  2. Step 2: Convert to fraction form
    39,599.66/54,647.54 = 21,695.30/x
  3. Step 3: Cross multiply
    39,599.66x = 54,647.54 × 21,695.30
  4. Step 4: Simplify right side
    39,599.66x = 1,185,594,774.56
  5. Step 5: Solve for x
    x = 1,185,594,774.56/39,599.66
  6. Step 6: Final answer
    x = 29,939.52

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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.