Home / 30,447.04-45,675.11-9,385.33

Finding the Fourth Proportional to 30,447.04, 45,675.11 and 9,385.33

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Solution

The fourth proportional to 30,447.04, 45,675.11 and 9,385.33 is: 14,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,447.04 : 45,675.11 = 9,385.33 : x
  2. Step 2: Convert to fraction form
    30,447.04/45,675.11 = 9,385.33/x
  3. Step 3: Cross multiply
    30,447.04x = 45,675.11 × 9,385.33
  4. Step 4: Simplify right side
    30,447.04x = 428,675,704.83
  5. Step 5: Solve for x
    x = 428,675,704.83/30,447.04
  6. Step 6: Final answer
    x = 14,079.39

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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.