Home / 43,403.56-65,115.36-13,416.65

Finding the Fourth Proportional to 43,403.56, 65,115.36 and 13,416.65

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Solution

The fourth proportional to 43,403.56, 65,115.36 and 13,416.65 is: 20,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,403.56 : 65,115.36 = 13,416.65 : x
  2. Step 2: Convert to fraction form
    43,403.56/65,115.36 = 13,416.65/x
  3. Step 3: Cross multiply
    43,403.56x = 65,115.36 × 13,416.65
  4. Step 4: Simplify right side
    43,403.56x = 873,629,994.74
  5. Step 5: Solve for x
    x = 873,629,994.74/43,403.56
  6. Step 6: Final answer
    x = 20,128.07

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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.