Home / 32,603,986.20-48,905,979.30-21,124,860.60

Finding the Fourth Proportional to 32,603,986.20, 48,905,979.30 and 21,124,860.60

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Solution

The fourth proportional to 32,603,986.20, 48,905,979.30 and 21,124,860.60 is: 31,687,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,603,986.20 : 48,905,979.30 = 21,124,860.60 : x
  2. Step 2: Convert to fraction form
    32,603,986.20/48,905,979.30 = 21,124,860.60/x
  3. Step 3: Cross multiply
    32,603,986.20x = 48,905,979.30 × 21,124,860.60
  4. Step 4: Simplify right side
    32,603,986.20x = 1,033,131,995,218,985.62
  5. Step 5: Solve for x
    x = 1,033,131,995,218,985.62/32,603,986.20
  6. Step 6: Final answer
    x = 31,687,290.90

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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.