Home / 45,578.49-68,375.02-19,283.46

Finding the Fourth Proportional to 45,578.49, 68,375.02 and 19,283.46

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Solution

The fourth proportional to 45,578.49, 68,375.02 and 19,283.46 is: 28,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,578.49 : 68,375.02 = 19,283.46 : x
  2. Step 2: Convert to fraction form
    45,578.49/68,375.02 = 19,283.46/x
  3. Step 3: Cross multiply
    45,578.49x = 68,375.02 × 19,283.46
  4. Step 4: Simplify right side
    45,578.49x = 1,318,506,941.25
  5. Step 5: Solve for x
    x = 1,318,506,941.25/45,578.49
  6. Step 6: Final answer
    x = 28,928.27

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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.