Home / 45,396.81-68,056.94-21,690.95

Finding the Fourth Proportional to 45,396.81, 68,056.94 and 21,690.95

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Solution

The fourth proportional to 45,396.81, 68,056.94 and 21,690.95 is: 32,518.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,396.81 : 68,056.94 = 21,690.95 : x
  2. Step 2: Convert to fraction form
    45,396.81/68,056.94 = 21,690.95/x
  3. Step 3: Cross multiply
    45,396.81x = 68,056.94 × 21,690.95
  4. Step 4: Simplify right side
    45,396.81x = 1,476,219,396.64
  5. Step 5: Solve for x
    x = 1,476,219,396.64/45,396.81
  6. Step 6: Final answer
    x = 32,518.13

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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.