Home / 31,159.98-46,738.41-11,436.98

Finding the Fourth Proportional to 31,159.98, 46,738.41 and 11,436.98

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Solution

The fourth proportional to 31,159.98, 46,738.41 and 11,436.98 is: 17,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159.98 : 46,738.41 = 11,436.98 : x
  2. Step 2: Convert to fraction form
    31,159.98/46,738.41 = 11,436.98/x
  3. Step 3: Cross multiply
    31,159.98x = 46,738.41 × 11,436.98
  4. Step 4: Simplify right side
    31,159.98x = 534,546,260.40
  5. Step 5: Solve for x
    x = 534,546,260.40/31,159.98
  6. Step 6: Final answer
    x = 17,154.90

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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.