Home / 35,980.41-49,731.80-31,698.75

Finding the Fourth Proportional to 35,980.41, 49,731.80 and 31,698.75

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Solution

The fourth proportional to 35,980.41, 49,731.80 and 31,698.75 is: 43,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,980.41 : 49,731.80 = 31,698.75 : x
  2. Step 2: Convert to fraction form
    35,980.41/49,731.80 = 31,698.75/x
  3. Step 3: Cross multiply
    35,980.41x = 49,731.80 × 31,698.75
  4. Step 4: Simplify right side
    35,980.41x = 1,576,435,736.76
  5. Step 5: Solve for x
    x = 1,576,435,736.76/35,980.41
  6. Step 6: Final answer
    x = 43,813.72

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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.