Home / 30,676.07-46,015.12-8,487.58

Finding the Fourth Proportional to 30,676.07, 46,015.12 and 8,487.58

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Solution

The fourth proportional to 30,676.07, 46,015.12 and 8,487.58 is: 12,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676.07 : 46,015.12 = 8,487.58 : x
  2. Step 2: Convert to fraction form
    30,676.07/46,015.12 = 8,487.58/x
  3. Step 3: Cross multiply
    30,676.07x = 46,015.12 × 8,487.58
  4. Step 4: Simplify right side
    30,676.07x = 390,557,012.21
  5. Step 5: Solve for x
    x = 390,557,012.21/30,676.07
  6. Step 6: Final answer
    x = 12,731.65

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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.