Home / 39,212,964.48-54,113,585.96-21,571,485.24

Finding the Fourth Proportional to 39,212,964.48, 54,113,585.96 and 21,571,485.24

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Solution

The fourth proportional to 39,212,964.48, 54,113,585.96 and 21,571,485.24 is: 29,768,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,212,964.48 : 54,113,585.96 = 21,571,485.24 : x
  2. Step 2: Convert to fraction form
    39,212,964.48/54,113,585.96 = 21,571,485.24/x
  3. Step 3: Cross multiply
    39,212,964.48x = 54,113,585.96 × 21,571,485.24
  4. Step 4: Simplify right side
    39,212,964.48x = 1,167,310,420,819,611.25
  5. Step 5: Solve for x
    x = 1,167,310,420,819,611.25/39,212,964.48
  6. Step 6: Final answer
    x = 29,768,481.84

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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.