Home / 31,457.35-47,190.88-11,468.53

Finding the Fourth Proportional to 31,457.35, 47,190.88 and 11,468.53

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Solution

The fourth proportional to 31,457.35, 47,190.88 and 11,468.53 is: 17,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.35 : 47,190.88 = 11,468.53 : x
  2. Step 2: Convert to fraction form
    31,457.35/47,190.88 = 11,468.53/x
  3. Step 3: Cross multiply
    31,457.35x = 47,190.88 × 11,468.53
  4. Step 4: Simplify right side
    31,457.35x = 541,209,787.05
  5. Step 5: Solve for x
    x = 541,209,787.05/31,457.35
  6. Step 6: Final answer
    x = 17,204.56

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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.