Home / 39,638.38-59,447.85-13,342.54

Finding the Fourth Proportional to 39,638.38, 59,447.85 and 13,342.54

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Solution

The fourth proportional to 39,638.38, 59,447.85 and 13,342.54 is: 20,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.38 : 59,447.85 = 13,342.54 : x
  2. Step 2: Convert to fraction form
    39,638.38/59,447.85 = 13,342.54/x
  3. Step 3: Cross multiply
    39,638.38x = 59,447.85 × 13,342.54
  4. Step 4: Simplify right side
    39,638.38x = 793,185,316.54
  5. Step 5: Solve for x
    x = 793,185,316.54/39,638.38
  6. Step 6: Final answer
    x = 20,010.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.