Home / 55,941.94-77,180.41-31,740.05

Finding the Fourth Proportional to 55,941.94, 77,180.41 and 31,740.05

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Solution

The fourth proportional to 55,941.94, 77,180.41 and 31,740.05 is: 43,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,941.94 : 77,180.41 = 31,740.05 : x
  2. Step 2: Convert to fraction form
    55,941.94/77,180.41 = 31,740.05/x
  3. Step 3: Cross multiply
    55,941.94x = 77,180.41 × 31,740.05
  4. Step 4: Simplify right side
    55,941.94x = 2,449,710,305.05
  5. Step 5: Solve for x
    x = 2,449,710,305.05/55,941.94
  6. Step 6: Final answer
    x = 43,790.23

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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.