Home / 31,301.74-46,960.26-9,115.34

Finding the Fourth Proportional to 31,301.74, 46,960.26 and 9,115.34

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Solution

The fourth proportional to 31,301.74, 46,960.26 and 9,115.34 is: 13,675.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,301.74 : 46,960.26 = 9,115.34 : x
  2. Step 2: Convert to fraction form
    31,301.74/46,960.26 = 9,115.34/x
  3. Step 3: Cross multiply
    31,301.74x = 46,960.26 × 9,115.34
  4. Step 4: Simplify right side
    31,301.74x = 428,058,467.40
  5. Step 5: Solve for x
    x = 428,058,467.40/31,301.74
  6. Step 6: Final answer
    x = 13,675.23

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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.