Home / 43,412.73-65,121.63-16,758.86

Finding the Fourth Proportional to 43,412.73, 65,121.63 and 16,758.86

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Solution

The fourth proportional to 43,412.73, 65,121.63 and 16,758.86 is: 25,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,412.73 : 65,121.63 = 16,758.86 : x
  2. Step 2: Convert to fraction form
    43,412.73/65,121.63 = 16,758.86/x
  3. Step 3: Cross multiply
    43,412.73x = 65,121.63 × 16,758.86
  4. Step 4: Simplify right side
    43,412.73x = 1,091,364,280.14
  5. Step 5: Solve for x
    x = 1,091,364,280.14/43,412.73
  6. Step 6: Final answer
    x = 25,139.27

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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.