Home / 39,495.36-54,503.58-21,590.44

Finding the Fourth Proportional to 39,495.36, 54,503.58 and 21,590.44

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Solution

The fourth proportional to 39,495.36, 54,503.58 and 21,590.44 is: 29,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,495.36 : 54,503.58 = 21,590.44 : x
  2. Step 2: Convert to fraction form
    39,495.36/54,503.58 = 21,590.44/x
  3. Step 3: Cross multiply
    39,495.36x = 54,503.58 × 21,590.44
  4. Step 4: Simplify right side
    39,495.36x = 1,176,756,273.78
  5. Step 5: Solve for x
    x = 1,176,756,273.78/39,495.36
  6. Step 6: Final answer
    x = 29,794.80

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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.