Home / 31,225.45-46,840.62-9,039.16

Finding the Fourth Proportional to 31,225.45, 46,840.62 and 9,039.16

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Solution

The fourth proportional to 31,225.45, 46,840.62 and 9,039.16 is: 13,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,225.45 : 46,840.62 = 9,039.16 : x
  2. Step 2: Convert to fraction form
    31,225.45/46,840.62 = 9,039.16/x
  3. Step 3: Cross multiply
    31,225.45x = 46,840.62 × 9,039.16
  4. Step 4: Simplify right side
    31,225.45x = 423,399,858.68
  5. Step 5: Solve for x
    x = 423,399,858.68/31,225.45
  6. Step 6: Final answer
    x = 13,559.45

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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.