Home / 73,904.10-110,872.55-21,309.50

Finding the Fourth Proportional to 73,904.10, 110,872.55 and 21,309.50

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Solution

The fourth proportional to 73,904.10, 110,872.55 and 21,309.50 is: 31,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,904.10 : 110,872.55 = 21,309.50 : x
  2. Step 2: Convert to fraction form
    73,904.10/110,872.55 = 21,309.50/x
  3. Step 3: Cross multiply
    73,904.10x = 110,872.55 × 21,309.50
  4. Step 4: Simplify right side
    73,904.10x = 2,362,638,604.23
  5. Step 5: Solve for x
    x = 2,362,638,604.23/73,904.10
  6. Step 6: Final answer
    x = 31,968.98

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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.