Home / 30,763.32-42,441.99-18,014.33

Finding the Fourth Proportional to 30,763.32, 42,441.99 and 18,014.33

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Solution

The fourth proportional to 30,763.32, 42,441.99 and 18,014.33 is: 24,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.32 : 42,441.99 = 18,014.33 : x
  2. Step 2: Convert to fraction form
    30,763.32/42,441.99 = 18,014.33/x
  3. Step 3: Cross multiply
    30,763.32x = 42,441.99 × 18,014.33
  4. Step 4: Simplify right side
    30,763.32x = 764,563,801.51
  5. Step 5: Solve for x
    x = 764,563,801.51/30,763.32
  6. Step 6: Final answer
    x = 24,853.10

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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.