Home / 45,620.48-68,435.04-17,912

Finding the Fourth Proportional to 45,620.48, 68,435.04 and 17,912

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Solution

The fourth proportional to 45,620.48, 68,435.04 and 17,912 is: 26,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,620.48 : 68,435.04 = 17,912 : x
  2. Step 2: Convert to fraction form
    45,620.48/68,435.04 = 17,912/x
  3. Step 3: Cross multiply
    45,620.48x = 68,435.04 × 17,912
  4. Step 4: Simplify right side
    45,620.48x = 1,225,808,436.48
  5. Step 5: Solve for x
    x = 1,225,808,436.48/45,620.48
  6. Step 6: Final answer
    x = 26,869.70

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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.