Home / 40,917.50-61,320.25-30,914.02

Finding the Fourth Proportional to 40,917.50, 61,320.25 and 30,914.02

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Solution

The fourth proportional to 40,917.50, 61,320.25 and 30,914.02 is: 46,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,917.50 : 61,320.25 = 30,914.02 : x
  2. Step 2: Convert to fraction form
    40,917.50/61,320.25 = 30,914.02/x
  3. Step 3: Cross multiply
    40,917.50x = 61,320.25 × 30,914.02
  4. Step 4: Simplify right side
    40,917.50x = 1,895,655,550.20
  5. Step 5: Solve for x
    x = 1,895,655,550.20/40,917.50
  6. Step 6: Final answer
    x = 46,328.73

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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.