Home / 35,173.60-52,774.32-15,438.40

Finding the Fourth Proportional to 35,173.60, 52,774.32 and 15,438.40

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Solution

The fourth proportional to 35,173.60, 52,774.32 and 15,438.40 is: 23,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,173.60 : 52,774.32 = 15,438.40 : x
  2. Step 2: Convert to fraction form
    35,173.60/52,774.32 = 15,438.40/x
  3. Step 3: Cross multiply
    35,173.60x = 52,774.32 × 15,438.40
  4. Step 4: Simplify right side
    35,173.60x = 814,751,061.89
  5. Step 5: Solve for x
    x = 814,751,061.89/35,173.60
  6. Step 6: Final answer
    x = 23,163.71

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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.