Home / 31,157.34-46,736.28-10,380.84

Finding the Fourth Proportional to 31,157.34, 46,736.28 and 10,380.84

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Solution

The fourth proportional to 31,157.34, 46,736.28 and 10,380.84 is: 15,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157.34 : 46,736.28 = 10,380.84 : x
  2. Step 2: Convert to fraction form
    31,157.34/46,736.28 = 10,380.84/x
  3. Step 3: Cross multiply
    31,157.34x = 46,736.28 × 10,380.84
  4. Step 4: Simplify right side
    31,157.34x = 485,161,844.88
  5. Step 5: Solve for x
    x = 485,161,844.88/31,157.34
  6. Step 6: Final answer
    x = 15,571.35

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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.