Home / 43,451.95-65,179.07-13,869.75

Finding the Fourth Proportional to 43,451.95, 65,179.07 and 13,869.75

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Solution

The fourth proportional to 43,451.95, 65,179.07 and 13,869.75 is: 20,804.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,451.95 : 65,179.07 = 13,869.75 : x
  2. Step 2: Convert to fraction form
    43,451.95/65,179.07 = 13,869.75/x
  3. Step 3: Cross multiply
    43,451.95x = 65,179.07 × 13,869.75
  4. Step 4: Simplify right side
    43,451.95x = 904,017,406.13
  5. Step 5: Solve for x
    x = 904,017,406.13/43,451.95
  6. Step 6: Final answer
    x = 20,804.99

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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.