Home / 43,643.20-65,313.60-26,125.60

Finding the Fourth Proportional to 43,643.20, 65,313.60 and 26,125.60

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Solution

The fourth proportional to 43,643.20, 65,313.60 and 26,125.60 is: 39,097.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,643.20 : 65,313.60 = 26,125.60 : x
  2. Step 2: Convert to fraction form
    43,643.20/65,313.60 = 26,125.60/x
  3. Step 3: Cross multiply
    43,643.20x = 65,313.60 × 26,125.60
  4. Step 4: Simplify right side
    43,643.20x = 1,706,356,988.16
  5. Step 5: Solve for x
    x = 1,706,356,988.16/43,643.20
  6. Step 6: Final answer
    x = 39,097.89

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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.