Home / 43,628.04-65,443.94-13,642.85

Finding the Fourth Proportional to 43,628.04, 65,443.94 and 13,642.85

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Solution

The fourth proportional to 43,628.04, 65,443.94 and 13,642.85 is: 20,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,628.04 : 65,443.94 = 13,642.85 : x
  2. Step 2: Convert to fraction form
    43,628.04/65,443.94 = 13,642.85/x
  3. Step 3: Cross multiply
    43,628.04x = 65,443.94 × 13,642.85
  4. Step 4: Simplify right side
    43,628.04x = 892,841,693.22
  5. Step 5: Solve for x
    x = 892,841,693.22/43,628.04
  6. Step 6: Final answer
    x = 20,464.86

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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.