Home / 39,713.24-54,804.89-21,563.95

Finding the Fourth Proportional to 39,713.24, 54,804.89 and 21,563.95

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Solution

The fourth proportional to 39,713.24, 54,804.89 and 21,563.95 is: 29,758.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,713.24 : 54,804.89 = 21,563.95 : x
  2. Step 2: Convert to fraction form
    39,713.24/54,804.89 = 21,563.95/x
  3. Step 3: Cross multiply
    39,713.24x = 54,804.89 × 21,563.95
  4. Step 4: Simplify right side
    39,713.24x = 1,181,809,633.69
  5. Step 5: Solve for x
    x = 1,181,809,633.69/39,713.24
  6. Step 6: Final answer
    x = 29,758.58

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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.