Home / 39,404.03-54,377.36-21,498.98

Finding the Fourth Proportional to 39,404.03, 54,377.36 and 21,498.98

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Solution

The fourth proportional to 39,404.03, 54,377.36 and 21,498.98 is: 29,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,404.03 : 54,377.36 = 21,498.98 : x
  2. Step 2: Convert to fraction form
    39,404.03/54,377.36 = 21,498.98/x
  3. Step 3: Cross multiply
    39,404.03x = 54,377.36 × 21,498.98
  4. Step 4: Simplify right side
    39,404.03x = 1,169,057,828.84
  5. Step 5: Solve for x
    x = 1,169,057,828.84/39,404.03
  6. Step 6: Final answer
    x = 29,668.48

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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.