Home / 47,349.84-65,315.22-30,348.06

Finding the Fourth Proportional to 47,349.84, 65,315.22 and 30,348.06

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Solution

The fourth proportional to 47,349.84, 65,315.22 and 30,348.06 is: 41,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,349.84 : 65,315.22 = 30,348.06 : x
  2. Step 2: Convert to fraction form
    47,349.84/65,315.22 = 30,348.06/x
  3. Step 3: Cross multiply
    47,349.84x = 65,315.22 × 30,348.06
  4. Step 4: Simplify right side
    47,349.84x = 1,982,190,215.47
  5. Step 5: Solve for x
    x = 1,982,190,215.47/47,349.84
  6. Step 6: Final answer
    x = 41,862.66

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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.