Home / 38,443.32-57,666.72-11,787.37

Finding the Fourth Proportional to 38,443.32, 57,666.72 and 11,787.37

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Solution

The fourth proportional to 38,443.32, 57,666.72 and 11,787.37 is: 17,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,443.32 : 57,666.72 = 11,787.37 : x
  2. Step 2: Convert to fraction form
    38,443.32/57,666.72 = 11,787.37/x
  3. Step 3: Cross multiply
    38,443.32x = 57,666.72 × 11,787.37
  4. Step 4: Simplify right side
    38,443.32x = 679,738,918.12
  5. Step 5: Solve for x
    x = 679,738,918.12/38,443.32
  6. Step 6: Final answer
    x = 17,681.59

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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.