Home / 43,918.40-65,877.60-39,924.80

Finding the Fourth Proportional to 43,918.40, 65,877.60 and 39,924.80

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Solution

The fourth proportional to 43,918.40, 65,877.60 and 39,924.80 is: 59,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,918.40 : 65,877.60 = 39,924.80 : x
  2. Step 2: Convert to fraction form
    43,918.40/65,877.60 = 39,924.80/x
  3. Step 3: Cross multiply
    43,918.40x = 65,877.60 × 39,924.80
  4. Step 4: Simplify right side
    43,918.40x = 2,630,150,004.48
  5. Step 5: Solve for x
    x = 2,630,150,004.48/43,918.40
  6. Step 6: Final answer
    x = 59,887.20

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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.