Home / 38,962.96-53,768.08-21,967.24

Finding the Fourth Proportional to 38,962.96, 53,768.08 and 21,967.24

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Solution

The fourth proportional to 38,962.96, 53,768.08 and 21,967.24 is: 30,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,962.96 : 53,768.08 = 21,967.24 : x
  2. Step 2: Convert to fraction form
    38,962.96/53,768.08 = 21,967.24/x
  3. Step 3: Cross multiply
    38,962.96x = 53,768.08 × 21,967.24
  4. Step 4: Simplify right side
    38,962.96x = 1,181,136,317.70
  5. Step 5: Solve for x
    x = 1,181,136,317.70/38,962.96
  6. Step 6: Final answer
    x = 30,314.34

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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.