Home / 31,968,117.80-47,952,176.70-21,764,450.60

Finding the Fourth Proportional to 31,968,117.80, 47,952,176.70 and 21,764,450.60

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Solution

The fourth proportional to 31,968,117.80, 47,952,176.70 and 21,764,450.60 is: 32,646,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968,117.80 : 47,952,176.70 = 21,764,450.60 : x
  2. Step 2: Convert to fraction form
    31,968,117.80/47,952,176.70 = 21,764,450.60/x
  3. Step 3: Cross multiply
    31,968,117.80x = 47,952,176.70 × 21,764,450.60
  4. Step 4: Simplify right side
    31,968,117.80x = 1,043,652,780,949,621.12
  5. Step 5: Solve for x
    x = 1,043,652,780,949,621.12/31,968,117.80
  6. Step 6: Final answer
    x = 32,646,675.90

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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.