Home / 41,378.32-57,102.20-22,515.45

Finding the Fourth Proportional to 41,378.32, 57,102.20 and 22,515.45

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Solution

The fourth proportional to 41,378.32, 57,102.20 and 22,515.45 is: 31,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,378.32 : 57,102.20 = 22,515.45 : x
  2. Step 2: Convert to fraction form
    41,378.32/57,102.20 = 22,515.45/x
  3. Step 3: Cross multiply
    41,378.32x = 57,102.20 × 22,515.45
  4. Step 4: Simplify right side
    41,378.32x = 1,285,681,728.99
  5. Step 5: Solve for x
    x = 1,285,681,728.99/41,378.32
  6. Step 6: Final answer
    x = 31,071.39

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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.