Home / 43,613.06-65,419.66-12,448.32

Finding the Fourth Proportional to 43,613.06, 65,419.66 and 12,448.32

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Solution

The fourth proportional to 43,613.06, 65,419.66 and 12,448.32 is: 18,672.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,613.06 : 65,419.66 = 12,448.32 : x
  2. Step 2: Convert to fraction form
    43,613.06/65,419.66 = 12,448.32/x
  3. Step 3: Cross multiply
    43,613.06x = 65,419.66 × 12,448.32
  4. Step 4: Simplify right side
    43,613.06x = 814,364,861.97
  5. Step 5: Solve for x
    x = 814,364,861.97/43,613.06
  6. Step 6: Final answer
    x = 18,672.50

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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.