Home / 40,628.86-55,943.16-35,564.74

Finding the Fourth Proportional to 40,628.86, 55,943.16 and 35,564.74

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Solution

The fourth proportional to 40,628.86, 55,943.16 and 35,564.74 is: 48,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,628.86 : 55,943.16 = 35,564.74 : x
  2. Step 2: Convert to fraction form
    40,628.86/55,943.16 = 35,564.74/x
  3. Step 3: Cross multiply
    40,628.86x = 55,943.16 × 35,564.74
  4. Step 4: Simplify right side
    40,628.86x = 1,989,603,940.18
  5. Step 5: Solve for x
    x = 1,989,603,940.18/40,628.86
  6. Step 6: Final answer
    x = 48,970.21

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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.