Home / 43,500.18-65,274.88-18,537.60

Finding the Fourth Proportional to 43,500.18, 65,274.88 and 18,537.60

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Solution

The fourth proportional to 43,500.18, 65,274.88 and 18,537.60 is: 27,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,500.18 : 65,274.88 = 18,537.60 : x
  2. Step 2: Convert to fraction form
    43,500.18/65,274.88 = 18,537.60/x
  3. Step 3: Cross multiply
    43,500.18x = 65,274.88 × 18,537.60
  4. Step 4: Simplify right side
    43,500.18x = 1,210,039,615.49
  5. Step 5: Solve for x
    x = 1,210,039,615.49/43,500.18
  6. Step 6: Final answer
    x = 27,816.89

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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.