Home / 31,080.36-46,638.36-11,356.32

Finding the Fourth Proportional to 31,080.36, 46,638.36 and 11,356.32

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Solution

The fourth proportional to 31,080.36, 46,638.36 and 11,356.32 is: 17,040.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,080.36 : 46,638.36 = 11,356.32 : x
  2. Step 2: Convert to fraction form
    31,080.36/46,638.36 = 11,356.32/x
  3. Step 3: Cross multiply
    31,080.36x = 46,638.36 × 11,356.32
  4. Step 4: Simplify right side
    31,080.36x = 529,640,140.44
  5. Step 5: Solve for x
    x = 529,640,140.44/31,080.36
  6. Step 6: Final answer
    x = 17,040.99

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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.