Home / 38,673.72-53,366.04-21,676.68

Finding the Fourth Proportional to 38,673.72, 53,366.04 and 21,676.68

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Solution

The fourth proportional to 38,673.72, 53,366.04 and 21,676.68 is: 29,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,673.72 : 53,366.04 = 21,676.68 : x
  2. Step 2: Convert to fraction form
    38,673.72/53,366.04 = 21,676.68/x
  3. Step 3: Cross multiply
    38,673.72x = 53,366.04 × 21,676.68
  4. Step 4: Simplify right side
    38,673.72x = 1,156,798,571.95
  5. Step 5: Solve for x
    x = 1,156,798,571.95/38,673.72
  6. Step 6: Final answer
    x = 29,911.75

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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.