Home / 30,917.64-46,376.46-7,543.92

Finding the Fourth Proportional to 30,917.64, 46,376.46 and 7,543.92

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Solution

The fourth proportional to 30,917.64, 46,376.46 and 7,543.92 is: 11,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,917.64 : 46,376.46 = 7,543.92 : x
  2. Step 2: Convert to fraction form
    30,917.64/46,376.46 = 7,543.92/x
  3. Step 3: Cross multiply
    30,917.64x = 46,376.46 × 7,543.92
  4. Step 4: Simplify right side
    30,917.64x = 349,860,304.12
  5. Step 5: Solve for x
    x = 349,860,304.12/30,917.64
  6. Step 6: Final answer
    x = 11,315.88

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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.