Home / 53,705.58-80,574.78-18,669.84

Finding the Fourth Proportional to 53,705.58, 80,574.78 and 18,669.84

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Solution

The fourth proportional to 53,705.58, 80,574.78 and 18,669.84 is: 28,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,705.58 : 80,574.78 = 18,669.84 : x
  2. Step 2: Convert to fraction form
    53,705.58/80,574.78 = 18,669.84/x
  3. Step 3: Cross multiply
    53,705.58x = 80,574.78 × 18,669.84
  4. Step 4: Simplify right side
    53,705.58x = 1,504,318,250.64
  5. Step 5: Solve for x
    x = 1,504,318,250.64/53,705.58
  6. Step 6: Final answer
    x = 28,010.46

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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.