Home / 69,307.42-103,973.94-21,934.45

Finding the Fourth Proportional to 69,307.42, 103,973.94 and 21,934.45

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Solution

The fourth proportional to 69,307.42, 103,973.94 and 21,934.45 is: 32,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,307.42 : 103,973.94 = 21,934.45 : x
  2. Step 2: Convert to fraction form
    69,307.42/103,973.94 = 21,934.45/x
  3. Step 3: Cross multiply
    69,307.42x = 103,973.94 × 21,934.45
  4. Step 4: Simplify right side
    69,307.42x = 2,280,611,188.23
  5. Step 5: Solve for x
    x = 2,280,611,188.23/69,307.42
  6. Step 6: Final answer
    x = 32,905.73

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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.