Home / 39,464.75-54,460.67-21,559.29

Finding the Fourth Proportional to 39,464.75, 54,460.67 and 21,559.29

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Solution

The fourth proportional to 39,464.75, 54,460.67 and 21,559.29 is: 29,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,464.75 : 54,460.67 = 21,559.29 : x
  2. Step 2: Convert to fraction form
    39,464.75/54,460.67 = 21,559.29/x
  3. Step 3: Cross multiply
    39,464.75x = 54,460.67 × 21,559.29
  4. Step 4: Simplify right side
    39,464.75x = 1,174,133,270.33
  5. Step 5: Solve for x
    x = 1,174,133,270.33/39,464.75
  6. Step 6: Final answer
    x = 29,751.45

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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.