Home / 30,519.87-45,780.99-9,462.07

Finding the Fourth Proportional to 30,519.87, 45,780.99 and 9,462.07

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Solution

The fourth proportional to 30,519.87, 45,780.99 and 9,462.07 is: 14,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,519.87 : 45,780.99 = 9,462.07 : x
  2. Step 2: Convert to fraction form
    30,519.87/45,780.99 = 9,462.07/x
  3. Step 3: Cross multiply
    30,519.87x = 45,780.99 × 9,462.07
  4. Step 4: Simplify right side
    30,519.87x = 433,182,932.05
  5. Step 5: Solve for x
    x = 433,182,932.05/30,519.87
  6. Step 6: Final answer
    x = 14,193.47

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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.