Home / 43,515.19-65,273.36-13,933.03

Finding the Fourth Proportional to 43,515.19, 65,273.36 and 13,933.03

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Solution

The fourth proportional to 43,515.19, 65,273.36 and 13,933.03 is: 20,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,515.19 : 65,273.36 = 13,933.03 : x
  2. Step 2: Convert to fraction form
    43,515.19/65,273.36 = 13,933.03/x
  3. Step 3: Cross multiply
    43,515.19x = 65,273.36 × 13,933.03
  4. Step 4: Simplify right side
    43,515.19x = 909,455,530.32
  5. Step 5: Solve for x
    x = 909,455,530.32/43,515.19
  6. Step 6: Final answer
    x = 20,899.72

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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.