Home / 43,798.12-65,697.18-18,845.80

Finding the Fourth Proportional to 43,798.12, 65,697.18 and 18,845.80

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Solution

The fourth proportional to 43,798.12, 65,697.18 and 18,845.80 is: 28,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,798.12 : 65,697.18 = 18,845.80 : x
  2. Step 2: Convert to fraction form
    43,798.12/65,697.18 = 18,845.80/x
  3. Step 3: Cross multiply
    43,798.12x = 65,697.18 × 18,845.80
  4. Step 4: Simplify right side
    43,798.12x = 1,238,115,914.84
  5. Step 5: Solve for x
    x = 1,238,115,914.84/43,798.12
  6. Step 6: Final answer
    x = 28,268.70

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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.