Home / 39,493.24-54,504.39-21,590.89

Finding the Fourth Proportional to 39,493.24, 54,504.39 and 21,590.89

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Solution

The fourth proportional to 39,493.24, 54,504.39 and 21,590.89 is: 29,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,493.24 : 54,504.39 = 21,590.89 : x
  2. Step 2: Convert to fraction form
    39,493.24/54,504.39 = 21,590.89/x
  3. Step 3: Cross multiply
    39,493.24x = 54,504.39 × 21,590.89
  4. Step 4: Simplify right side
    39,493.24x = 1,176,798,233.71
  5. Step 5: Solve for x
    x = 1,176,798,233.71/39,493.24
  6. Step 6: Final answer
    x = 29,797.46

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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.