Home / 34,046.62-46,971.40-21,119.90

Finding the Fourth Proportional to 34,046.62, 46,971.40 and 21,119.90

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Solution

The fourth proportional to 34,046.62, 46,971.40 and 21,119.90 is: 29,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,046.62 : 46,971.40 = 21,119.90 : x
  2. Step 2: Convert to fraction form
    34,046.62/46,971.40 = 21,119.90/x
  3. Step 3: Cross multiply
    34,046.62x = 46,971.40 × 21,119.90
  4. Step 4: Simplify right side
    34,046.62x = 992,031,036.00
  5. Step 5: Solve for x
    x = 992,031,036.00/34,046.62
  6. Step 6: Final answer
    x = 29,137.44

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1.5x scale

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.