Home / 43,819.60-65,744.67-13,838.47

Finding the Fourth Proportional to 43,819.60, 65,744.67 and 13,838.47

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Solution

The fourth proportional to 43,819.60, 65,744.67 and 13,838.47 is: 20,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,819.60 : 65,744.67 = 13,838.47 : x
  2. Step 2: Convert to fraction form
    43,819.60/65,744.67 = 13,838.47/x
  3. Step 3: Cross multiply
    43,819.60x = 65,744.67 × 13,838.47
  4. Step 4: Simplify right side
    43,819.60x = 909,805,643.45
  5. Step 5: Solve for x
    x = 909,805,643.45/43,819.60
  6. Step 6: Final answer
    x = 20,762.53

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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.