Home / 41,033.28-56,571.08-30,780.72

Finding the Fourth Proportional to 41,033.28, 56,571.08 and 30,780.72

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Solution

The fourth proportional to 41,033.28, 56,571.08 and 30,780.72 is: 42,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,033.28 : 56,571.08 = 30,780.72 : x
  2. Step 2: Convert to fraction form
    41,033.28/56,571.08 = 30,780.72/x
  3. Step 3: Cross multiply
    41,033.28x = 56,571.08 × 30,780.72
  4. Step 4: Simplify right side
    41,033.28x = 1,741,298,419.67
  5. Step 5: Solve for x
    x = 1,741,298,419.67/41,033.28
  6. Step 6: Final answer
    x = 42,436.25

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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.