Home / 31,075.31-46,576.80-17,757.64

Finding the Fourth Proportional to 31,075.31, 46,576.80 and 17,757.64

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Solution

The fourth proportional to 31,075.31, 46,576.80 and 17,757.64 is: 26,615.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,075.31 : 46,576.80 = 17,757.64 : x
  2. Step 2: Convert to fraction form
    31,075.31/46,576.80 = 17,757.64/x
  3. Step 3: Cross multiply
    31,075.31x = 46,576.80 × 17,757.64
  4. Step 4: Simplify right side
    31,075.31x = 827,094,046.75
  5. Step 5: Solve for x
    x = 827,094,046.75/31,075.31
  6. Step 6: Final answer
    x = 26,615.79

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1.5x scale

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.