Home / 30,675.12-46,012.62-8,488.44

Finding the Fourth Proportional to 30,675.12, 46,012.62 and 8,488.44

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Solution

The fourth proportional to 30,675.12, 46,012.62 and 8,488.44 is: 12,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,675.12 : 46,012.62 = 8,488.44 : x
  2. Step 2: Convert to fraction form
    30,675.12/46,012.62 = 8,488.44/x
  3. Step 3: Cross multiply
    30,675.12x = 46,012.62 × 8,488.44
  4. Step 4: Simplify right side
    30,675.12x = 390,575,134.05
  5. Step 5: Solve for x
    x = 390,575,134.05/30,675.12
  6. Step 6: Final answer
    x = 12,732.64

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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.