Home / 30,917.28-46,375.96-7,543.60

Finding the Fourth Proportional to 30,917.28, 46,375.96 and 7,543.60

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Solution

The fourth proportional to 30,917.28, 46,375.96 and 7,543.60 is: 11,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,917.28 : 46,375.96 = 7,543.60 : x
  2. Step 2: Convert to fraction form
    30,917.28/46,375.96 = 7,543.60/x
  3. Step 3: Cross multiply
    30,917.28x = 46,375.96 × 7,543.60
  4. Step 4: Simplify right side
    30,917.28x = 349,841,691.86
  5. Step 5: Solve for x
    x = 349,841,691.86/30,917.28
  6. Step 6: Final answer
    x = 11,315.41

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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.