Home / 40,942.84-61,428.78-23,427.40

Finding the Fourth Proportional to 40,942.84, 61,428.78 and 23,427.40

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Solution

The fourth proportional to 40,942.84, 61,428.78 and 23,427.40 is: 35,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,942.84 : 61,428.78 = 23,427.40 : x
  2. Step 2: Convert to fraction form
    40,942.84/61,428.78 = 23,427.40/x
  3. Step 3: Cross multiply
    40,942.84x = 61,428.78 × 23,427.40
  4. Step 4: Simplify right side
    40,942.84x = 1,439,116,600.57
  5. Step 5: Solve for x
    x = 1,439,116,600.57/40,942.84
  6. Step 6: Final answer
    x = 35,149.41

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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.