Home / 39,738,048.40-59,607,072.60-20,574,679.60

Finding the Fourth Proportional to 39,738,048.40, 59,607,072.60 and 20,574,679.60

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Solution

The fourth proportional to 39,738,048.40, 59,607,072.60 and 20,574,679.60 is: 30,862,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,738,048.40 : 59,607,072.60 = 20,574,679.60 : x
  2. Step 2: Convert to fraction form
    39,738,048.40/59,607,072.60 = 20,574,679.60/x
  3. Step 3: Cross multiply
    39,738,048.40x = 59,607,072.60 × 20,574,679.60
  4. Step 4: Simplify right side
    39,738,048.40x = 1,226,396,420,638,939
  5. Step 5: Solve for x
    x = 1,226,396,420,638,939/39,738,048.40
  6. Step 6: Final answer
    x = 30,862,019.40

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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.