Home / 33,885.40-46,762.12-18,778.32

Finding the Fourth Proportional to 33,885.40, 46,762.12 and 18,778.32

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Solution

The fourth proportional to 33,885.40, 46,762.12 and 18,778.32 is: 25,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,885.40 : 46,762.12 = 18,778.32 : x
  2. Step 2: Convert to fraction form
    33,885.40/46,762.12 = 18,778.32/x
  3. Step 3: Cross multiply
    33,885.40x = 46,762.12 × 18,778.32
  4. Step 4: Simplify right side
    33,885.40x = 878,114,053.24
  5. Step 5: Solve for x
    x = 878,114,053.24/33,885.40
  6. Step 6: Final answer
    x = 25,914.23

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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.