Home / 65,023.38-97,538.44-20,653.60

Finding the Fourth Proportional to 65,023.38, 97,538.44 and 20,653.60

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Solution

The fourth proportional to 65,023.38, 97,538.44 and 20,653.60 is: 30,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,023.38 : 97,538.44 = 20,653.60 : x
  2. Step 2: Convert to fraction form
    65,023.38/97,538.44 = 20,653.60/x
  3. Step 3: Cross multiply
    65,023.38x = 97,538.44 × 20,653.60
  4. Step 4: Simplify right side
    65,023.38x = 2,014,519,924.38
  5. Step 5: Solve for x
    x = 2,014,519,924.38/65,023.38
  6. Step 6: Final answer
    x = 30,981.47

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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.