Home / 39,561,200.40-59,294,561.40-20,382,085.20

Finding the Fourth Proportional to 39,561,200.40, 59,294,561.40 and 20,382,085.20

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Solution

The fourth proportional to 39,561,200.40, 59,294,561.40 and 20,382,085.20 is: 30,548,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,561,200.40 : 59,294,561.40 = 20,382,085.20 : x
  2. Step 2: Convert to fraction form
    39,561,200.40/59,294,561.40 = 20,382,085.20/x
  3. Step 3: Cross multiply
    39,561,200.40x = 59,294,561.40 × 20,382,085.20
  4. Step 4: Simplify right side
    39,561,200.40x = 1,208,546,802,351,431.25
  5. Step 5: Solve for x
    x = 1,208,546,802,351,431.25/39,561,200.40
  6. Step 6: Final answer
    x = 30,548,789.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.