Home / 39,001,405.75-53,821,891.34-21,597,729.95

Finding the Fourth Proportional to 39,001,405.75, 53,821,891.34 and 21,597,729.95

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Solution

The fourth proportional to 39,001,405.75, 53,821,891.34 and 21,597,729.95 is: 29,804,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001,405.75 : 53,821,891.34 = 21,597,729.95 : x
  2. Step 2: Convert to fraction form
    39,001,405.75/53,821,891.34 = 21,597,729.95/x
  3. Step 3: Cross multiply
    39,001,405.75x = 53,821,891.34 × 21,597,729.95
  4. Step 4: Simplify right side
    39,001,405.75x = 1,162,430,674,559,563.75
  5. Step 5: Solve for x
    x = 1,162,430,674,559,563.75/39,001,405.75
  6. Step 6: Final answer
    x = 29,804,840.42

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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.