Home / 43,069.06-64,603.59-13,489.21

Finding the Fourth Proportional to 43,069.06, 64,603.59 and 13,489.21

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Solution

The fourth proportional to 43,069.06, 64,603.59 and 13,489.21 is: 20,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,069.06 : 64,603.59 = 13,489.21 : x
  2. Step 2: Convert to fraction form
    43,069.06/64,603.59 = 13,489.21/x
  3. Step 3: Cross multiply
    43,069.06x = 64,603.59 × 13,489.21
  4. Step 4: Simplify right side
    43,069.06x = 871,451,230.75
  5. Step 5: Solve for x
    x = 871,451,230.75/43,069.06
  6. Step 6: Final answer
    x = 20,233.81

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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.