Home / 30,535.31-45,809.55-9,474.95

Finding the Fourth Proportional to 30,535.31, 45,809.55 and 9,474.95

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Solution

The fourth proportional to 30,535.31, 45,809.55 and 9,474.95 is: 14,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,535.31 : 45,809.55 = 9,474.95 : x
  2. Step 2: Convert to fraction form
    30,535.31/45,809.55 = 9,474.95/x
  3. Step 3: Cross multiply
    30,535.31x = 45,809.55 × 9,474.95
  4. Step 4: Simplify right side
    30,535.31x = 434,043,310.30
  5. Step 5: Solve for x
    x = 434,043,310.30/30,535.31
  6. Step 6: Final answer
    x = 14,214.47

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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.