Home / 35,691.15-53,561.39-12,317.67

Finding the Fourth Proportional to 35,691.15, 53,561.39 and 12,317.67

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Solution

The fourth proportional to 35,691.15, 53,561.39 and 12,317.67 is: 18,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.15 : 53,561.39 = 12,317.67 : x
  2. Step 2: Convert to fraction form
    35,691.15/53,561.39 = 12,317.67/x
  3. Step 3: Cross multiply
    35,691.15x = 53,561.39 × 12,317.67
  4. Step 4: Simplify right side
    35,691.15x = 659,751,465.17
  5. Step 5: Solve for x
    x = 659,751,465.17/35,691.15
  6. Step 6: Final answer
    x = 18,485.02

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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.