Home / 35,989.85-53,984.78-19,326.96

Finding the Fourth Proportional to 35,989.85, 53,984.78 and 19,326.96

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Solution

The fourth proportional to 35,989.85, 53,984.78 and 19,326.96 is: 28,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,989.85 : 53,984.78 = 19,326.96 : x
  2. Step 2: Convert to fraction form
    35,989.85/53,984.78 = 19,326.96/x
  3. Step 3: Cross multiply
    35,989.85x = 53,984.78 × 19,326.96
  4. Step 4: Simplify right side
    35,989.85x = 1,043,361,683.67
  5. Step 5: Solve for x
    x = 1,043,361,683.67/35,989.85
  6. Step 6: Final answer
    x = 28,990.44

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Similar ratio
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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.