Home / 47,717.12-65,836.32-29,830.34

Finding the Fourth Proportional to 47,717.12, 65,836.32 and 29,830.34

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Solution

The fourth proportional to 47,717.12, 65,836.32 and 29,830.34 is: 41,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,717.12 : 65,836.32 = 29,830.34 : x
  2. Step 2: Convert to fraction form
    47,717.12/65,836.32 = 29,830.34/x
  3. Step 3: Cross multiply
    47,717.12x = 65,836.32 × 29,830.34
  4. Step 4: Simplify right side
    47,717.12x = 1,963,919,809.95
  5. Step 5: Solve for x
    x = 1,963,919,809.95/47,717.12
  6. Step 6: Final answer
    x = 41,157.55

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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.