Home / 32,688.82-48,986.45-18,619.80

Finding the Fourth Proportional to 32,688.82, 48,986.45 and 18,619.80

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Solution

The fourth proportional to 32,688.82, 48,986.45 and 18,619.80 is: 27,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,688.82 : 48,986.45 = 18,619.80 : x
  2. Step 2: Convert to fraction form
    32,688.82/48,986.45 = 18,619.80/x
  3. Step 3: Cross multiply
    32,688.82x = 48,986.45 × 18,619.80
  4. Step 4: Simplify right side
    32,688.82x = 912,117,780.14
  5. Step 5: Solve for x
    x = 912,117,780.14/32,688.82
  6. Step 6: Final answer
    x = 27,903.05

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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.