Home / 43,370.87-65,074.75-18,416.28

Finding the Fourth Proportional to 43,370.87, 65,074.75 and 18,416.28

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Solution

The fourth proportional to 43,370.87, 65,074.75 and 18,416.28 is: 27,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,370.87 : 65,074.75 = 18,416.28 : x
  2. Step 2: Convert to fraction form
    43,370.87/65,074.75 = 18,416.28/x
  3. Step 3: Cross multiply
    43,370.87x = 65,074.75 × 18,416.28
  4. Step 4: Simplify right side
    43,370.87x = 1,198,435,014.92
  5. Step 5: Solve for x
    x = 1,198,435,014.92/43,370.87
  6. Step 6: Final answer
    x = 27,632.26

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1.5x scale

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.