Home / 47,199.61-65,135.48-25,978.72

Finding the Fourth Proportional to 47,199.61, 65,135.48 and 25,978.72

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Solution

The fourth proportional to 47,199.61, 65,135.48 and 25,978.72 is: 35,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,199.61 : 65,135.48 = 25,978.72 : x
  2. Step 2: Convert to fraction form
    47,199.61/65,135.48 = 25,978.72/x
  3. Step 3: Cross multiply
    47,199.61x = 65,135.48 × 25,978.72
  4. Step 4: Simplify right side
    47,199.61x = 1,692,136,267.09
  5. Step 5: Solve for x
    x = 1,692,136,267.09/47,199.61
  6. Step 6: Final answer
    x = 35,850.64

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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.