Home / 32,435.70-48,653.55-18,390.30

Finding the Fourth Proportional to 32,435.70, 48,653.55 and 18,390.30

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Solution

The fourth proportional to 32,435.70, 48,653.55 and 18,390.30 is: 27,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,435.70 : 48,653.55 = 18,390.30 : x
  2. Step 2: Convert to fraction form
    32,435.70/48,653.55 = 18,390.30/x
  3. Step 3: Cross multiply
    32,435.70x = 48,653.55 × 18,390.30
  4. Step 4: Simplify right side
    32,435.70x = 894,753,380.57
  5. Step 5: Solve for x
    x = 894,753,380.57/32,435.70
  6. Step 6: Final answer
    x = 27,585.45

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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.