Home / 47,615.66-65,690.92-30,617.22

Finding the Fourth Proportional to 47,615.66, 65,690.92 and 30,617.22

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Solution

The fourth proportional to 47,615.66, 65,690.92 and 30,617.22 is: 42,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,615.66 : 65,690.92 = 30,617.22 : x
  2. Step 2: Convert to fraction form
    47,615.66/65,690.92 = 30,617.22/x
  3. Step 3: Cross multiply
    47,615.66x = 65,690.92 × 30,617.22
  4. Step 4: Simplify right side
    47,615.66x = 2,011,273,349.64
  5. Step 5: Solve for x
    x = 2,011,273,349.64/47,615.66
  6. Step 6: Final answer
    x = 42,239.75

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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.