Home / 55,040.04-75,968.88-31,180.80

Finding the Fourth Proportional to 55,040.04, 75,968.88 and 31,180.80

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Solution

The fourth proportional to 55,040.04, 75,968.88 and 31,180.80 is: 43,037.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,040.04 : 75,968.88 = 31,180.80 : x
  2. Step 2: Convert to fraction form
    55,040.04/75,968.88 = 31,180.80/x
  3. Step 3: Cross multiply
    55,040.04x = 75,968.88 × 31,180.80
  4. Step 4: Simplify right side
    55,040.04x = 2,368,770,453.50
  5. Step 5: Solve for x
    x = 2,368,770,453.50/55,040.04
  6. Step 6: Final answer
    x = 43,037.22

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1.5x scale

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.