Home / 30,508.04-45,768.80-9,731.52

Finding the Fourth Proportional to 30,508.04, 45,768.80 and 9,731.52

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Solution

The fourth proportional to 30,508.04, 45,768.80 and 9,731.52 is: 14,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,508.04 : 45,768.80 = 9,731.52 : x
  2. Step 2: Convert to fraction form
    30,508.04/45,768.80 = 9,731.52/x
  3. Step 3: Cross multiply
    30,508.04x = 45,768.80 × 9,731.52
  4. Step 4: Simplify right side
    30,508.04x = 445,399,992.58
  5. Step 5: Solve for x
    x = 445,399,992.58/30,508.04
  6. Step 6: Final answer
    x = 14,599.43

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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.