Home / 32,181.90-48,276.45-9,990.06

Finding the Fourth Proportional to 32,181.90, 48,276.45 and 9,990.06

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Solution

The fourth proportional to 32,181.90, 48,276.45 and 9,990.06 is: 14,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,181.90 : 48,276.45 = 9,990.06 : x
  2. Step 2: Convert to fraction form
    32,181.90/48,276.45 = 9,990.06/x
  3. Step 3: Cross multiply
    32,181.90x = 48,276.45 × 9,990.06
  4. Step 4: Simplify right side
    32,181.90x = 482,284,632.09
  5. Step 5: Solve for x
    x = 482,284,632.09/32,181.90
  6. Step 6: Final answer
    x = 14,986.21

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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.