Home / 69,370.98-104,059.35-21,985.02

Finding the Fourth Proportional to 69,370.98, 104,059.35 and 21,985.02

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Solution

The fourth proportional to 69,370.98, 104,059.35 and 21,985.02 is: 32,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,370.98 : 104,059.35 = 21,985.02 : x
  2. Step 2: Convert to fraction form
    69,370.98/104,059.35 = 21,985.02/x
  3. Step 3: Cross multiply
    69,370.98x = 104,059.35 × 21,985.02
  4. Step 4: Simplify right side
    69,370.98x = 2,287,746,890.94
  5. Step 5: Solve for x
    x = 2,287,746,890.94/69,370.98
  6. Step 6: Final answer
    x = 32,978.44

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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.