Home / 39,676.36-59,538.84-15,979.56

Finding the Fourth Proportional to 39,676.36, 59,538.84 and 15,979.56

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Solution

The fourth proportional to 39,676.36, 59,538.84 and 15,979.56 is: 23,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,676.36 : 59,538.84 = 15,979.56 : x
  2. Step 2: Convert to fraction form
    39,676.36/59,538.84 = 15,979.56/x
  3. Step 3: Cross multiply
    39,676.36x = 59,538.84 × 15,979.56
  4. Step 4: Simplify right side
    39,676.36x = 951,404,466.11
  5. Step 5: Solve for x
    x = 951,404,466.11/39,676.36
  6. Step 6: Final answer
    x = 23,979.13

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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.