Home / 38,667.61-53,365.73-21,676.44

Finding the Fourth Proportional to 38,667.61, 53,365.73 and 21,676.44

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Solution

The fourth proportional to 38,667.61, 53,365.73 and 21,676.44 is: 29,915.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,667.61 : 53,365.73 = 21,676.44 : x
  2. Step 2: Convert to fraction form
    38,667.61/53,365.73 = 21,676.44/x
  3. Step 3: Cross multiply
    38,667.61x = 53,365.73 × 21,676.44
  4. Step 4: Simplify right side
    38,667.61x = 1,156,778,936.02
  5. Step 5: Solve for x
    x = 1,156,778,936.02/38,667.61
  6. Step 6: Final answer
    x = 29,915.97

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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.