Home / 39,464.82-54,462.65-21,560.98

Finding the Fourth Proportional to 39,464.82, 54,462.65 and 21,560.98

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Solution

The fourth proportional to 39,464.82, 54,462.65 and 21,560.98 is: 29,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,464.82 : 54,462.65 = 21,560.98 : x
  2. Step 2: Convert to fraction form
    39,464.82/54,462.65 = 21,560.98/x
  3. Step 3: Cross multiply
    39,464.82x = 54,462.65 × 21,560.98
  4. Step 4: Simplify right side
    39,464.82x = 1,174,268,107.40
  5. Step 5: Solve for x
    x = 1,174,268,107.40/39,464.82
  6. Step 6: Final answer
    x = 29,754.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.