Home / 46,267.72-69,391.18-21,283.78

Finding the Fourth Proportional to 46,267.72, 69,391.18 and 21,283.78

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Solution

The fourth proportional to 46,267.72, 69,391.18 and 21,283.78 is: 31,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,267.72 : 69,391.18 = 21,283.78 : x
  2. Step 2: Convert to fraction form
    46,267.72/69,391.18 = 21,283.78/x
  3. Step 3: Cross multiply
    46,267.72x = 69,391.18 × 21,283.78
  4. Step 4: Simplify right side
    46,267.72x = 1,476,906,609.06
  5. Step 5: Solve for x
    x = 1,476,906,609.06/46,267.72
  6. Step 6: Final answer
    x = 31,920.89

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1.5x scale

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.