Home / 32,731.90-45,170.08-18,584.75

Finding the Fourth Proportional to 32,731.90, 45,170.08 and 18,584.75

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Solution

The fourth proportional to 32,731.90, 45,170.08 and 18,584.75 is: 25,646.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,731.90 : 45,170.08 = 18,584.75 : x
  2. Step 2: Convert to fraction form
    32,731.90/45,170.08 = 18,584.75/x
  3. Step 3: Cross multiply
    32,731.90x = 45,170.08 × 18,584.75
  4. Step 4: Simplify right side
    32,731.90x = 839,474,710.74
  5. Step 5: Solve for x
    x = 839,474,710.74/32,731.90
  6. Step 6: Final answer
    x = 25,646.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.