Home / 33,870.16-46,739.76-18,762.20

Finding the Fourth Proportional to 33,870.16, 46,739.76 and 18,762.20

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Solution

The fourth proportional to 33,870.16, 46,739.76 and 18,762.20 is: 25,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,870.16 : 46,739.76 = 18,762.20 : x
  2. Step 2: Convert to fraction form
    33,870.16/46,739.76 = 18,762.20/x
  3. Step 3: Cross multiply
    33,870.16x = 46,739.76 × 18,762.20
  4. Step 4: Simplify right side
    33,870.16x = 876,940,725.07
  5. Step 5: Solve for x
    x = 876,940,725.07/33,870.16
  6. Step 6: Final answer
    x = 25,891.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.