Home / 31,415.28-43,353.42-17,075.13

Finding the Fourth Proportional to 31,415.28, 43,353.42 and 17,075.13

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Solution

The fourth proportional to 31,415.28, 43,353.42 and 17,075.13 is: 23,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415.28 : 43,353.42 = 17,075.13 : x
  2. Step 2: Convert to fraction form
    31,415.28/43,353.42 = 17,075.13/x
  3. Step 3: Cross multiply
    31,415.28x = 43,353.42 × 17,075.13
  4. Step 4: Simplify right side
    31,415.28x = 740,265,282.44
  5. Step 5: Solve for x
    x = 740,265,282.44/31,415.28
  6. Step 6: Final answer
    x = 23,563.86

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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.