Home / 31,215.35-46,821.78-17,203.16

Finding the Fourth Proportional to 31,215.35, 46,821.78 and 17,203.16

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Solution

The fourth proportional to 31,215.35, 46,821.78 and 17,203.16 is: 25,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215.35 : 46,821.78 = 17,203.16 : x
  2. Step 2: Convert to fraction form
    31,215.35/46,821.78 = 17,203.16/x
  3. Step 3: Cross multiply
    31,215.35x = 46,821.78 × 17,203.16
  4. Step 4: Simplify right side
    31,215.35x = 805,482,338.72
  5. Step 5: Solve for x
    x = 805,482,338.72/31,215.35
  6. Step 6: Final answer
    x = 25,804.05

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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.