Home / 39,597.48-54,644.40-21,693.06

Finding the Fourth Proportional to 39,597.48, 54,644.40 and 21,693.06

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Solution

The fourth proportional to 39,597.48, 54,644.40 and 21,693.06 is: 29,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,597.48 : 54,644.40 = 21,693.06 : x
  2. Step 2: Convert to fraction form
    39,597.48/54,644.40 = 21,693.06/x
  3. Step 3: Cross multiply
    39,597.48x = 54,644.40 × 21,693.06
  4. Step 4: Simplify right side
    39,597.48x = 1,185,404,247.86
  5. Step 5: Solve for x
    x = 1,185,404,247.86/39,597.48
  6. Step 6: Final answer
    x = 29,936.36

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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.