Home / 43,559.88-65,349.23-13,977.51

Finding the Fourth Proportional to 43,559.88, 65,349.23 and 13,977.51

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Solution

The fourth proportional to 43,559.88, 65,349.23 and 13,977.51 is: 20,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,559.88 : 65,349.23 = 13,977.51 : x
  2. Step 2: Convert to fraction form
    43,559.88/65,349.23 = 13,977.51/x
  3. Step 3: Cross multiply
    43,559.88x = 65,349.23 × 13,977.51
  4. Step 4: Simplify right side
    43,559.88x = 913,419,647.08
  5. Step 5: Solve for x
    x = 913,419,647.08/43,559.88
  6. Step 6: Final answer
    x = 20,969.29

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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.