Home / 31,415.58-43,353.15-17,075.10

Finding the Fourth Proportional to 31,415.58, 43,353.15 and 17,075.10

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Solution

The fourth proportional to 31,415.58, 43,353.15 and 17,075.10 is: 23,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415.58 : 43,353.15 = 17,075.10 : x
  2. Step 2: Convert to fraction form
    31,415.58/43,353.15 = 17,075.10/x
  3. Step 3: Cross multiply
    31,415.58x = 43,353.15 × 17,075.10
  4. Step 4: Simplify right side
    31,415.58x = 740,259,371.57
  5. Step 5: Solve for x
    x = 740,259,371.57/31,415.58
  6. Step 6: Final answer
    x = 23,563.45

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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.