Home / 39,738,049.40-59,607,074.10-20,574,680.60

Finding the Fourth Proportional to 39,738,049.40, 59,607,074.10 and 20,574,680.60

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Solution

The fourth proportional to 39,738,049.40, 59,607,074.10 and 20,574,680.60 is: 30,862,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,738,049.40 : 59,607,074.10 = 20,574,680.60 : x
  2. Step 2: Convert to fraction form
    39,738,049.40/59,607,074.10 = 20,574,680.60/x
  3. Step 3: Cross multiply
    39,738,049.40x = 59,607,074.10 × 20,574,680.60
  4. Step 4: Simplify right side
    39,738,049.40x = 1,226,396,511,108,032.50
  5. Step 5: Solve for x
    x = 1,226,396,511,108,032.50/39,738,049.40
  6. Step 6: Final answer
    x = 30,862,020.90

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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.