Home / 43,804.95-65,683.75-13,813.53

Finding the Fourth Proportional to 43,804.95, 65,683.75 and 13,813.53

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Solution

The fourth proportional to 43,804.95, 65,683.75 and 13,813.53 is: 20,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,804.95 : 65,683.75 = 13,813.53 : x
  2. Step 2: Convert to fraction form
    43,804.95/65,683.75 = 13,813.53/x
  3. Step 3: Cross multiply
    43,804.95x = 65,683.75 × 13,813.53
  4. Step 4: Simplify right side
    43,804.95x = 907,324,451.14
  5. Step 5: Solve for x
    x = 907,324,451.14/43,804.95
  6. Step 6: Final answer
    x = 20,712.83

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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.