Home / 32,768.58-45,220.44-18,428.43

Finding the Fourth Proportional to 32,768.58, 45,220.44 and 18,428.43

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Solution

The fourth proportional to 32,768.58, 45,220.44 and 18,428.43 is: 25,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,768.58 : 45,220.44 = 18,428.43 : x
  2. Step 2: Convert to fraction form
    32,768.58/45,220.44 = 18,428.43/x
  3. Step 3: Cross multiply
    32,768.58x = 45,220.44 × 18,428.43
  4. Step 4: Simplify right side
    32,768.58x = 833,341,713.11
  5. Step 5: Solve for x
    x = 833,341,713.11/32,768.58
  6. Step 6: Final answer
    x = 25,431.12

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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.