Home / 69,787.06-96,284.42-39,570

Finding the Fourth Proportional to 69,787.06, 96,284.42 and 39,570

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Solution

The fourth proportional to 69,787.06, 96,284.42 and 39,570 is: 54,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,787.06 : 96,284.42 = 39,570 : x
  2. Step 2: Convert to fraction form
    69,787.06/96,284.42 = 39,570/x
  3. Step 3: Cross multiply
    69,787.06x = 96,284.42 × 39,570
  4. Step 4: Simplify right side
    69,787.06x = 3,809,974,499.40
  5. Step 5: Solve for x
    x = 3,809,974,499.40/69,787.06
  6. Step 6: Final answer
    x = 54,594.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.