Home / 30,494.49-45,715.44-11,787.65

Finding the Fourth Proportional to 30,494.49, 45,715.44 and 11,787.65

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Solution

The fourth proportional to 30,494.49, 45,715.44 and 11,787.65 is: 17,671.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,494.49 : 45,715.44 = 11,787.65 : x
  2. Step 2: Convert to fraction form
    30,494.49/45,715.44 = 11,787.65/x
  3. Step 3: Cross multiply
    30,494.49x = 45,715.44 × 11,787.65
  4. Step 4: Simplify right side
    30,494.49x = 538,877,606.32
  5. Step 5: Solve for x
    x = 538,877,606.32/30,494.49
  6. Step 6: Final answer
    x = 17,671.31

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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.