Home / 33,870.20-46,740.25-18,762.81

Finding the Fourth Proportional to 33,870.20, 46,740.25 and 18,762.81

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Solution

The fourth proportional to 33,870.20, 46,740.25 and 18,762.81 is: 25,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,870.20 : 46,740.25 = 18,762.81 : x
  2. Step 2: Convert to fraction form
    33,870.20/46,740.25 = 18,762.81/x
  3. Step 3: Cross multiply
    33,870.20x = 46,740.25 × 18,762.81
  4. Step 4: Simplify right side
    33,870.20x = 876,978,278.28
  5. Step 5: Solve for x
    x = 876,978,278.28/33,870.20
  6. Step 6: Final answer
    x = 25,892.33

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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.