Home / 36,510.41-50,384.57-20,378.45

Finding the Fourth Proportional to 36,510.41, 50,384.57 and 20,378.45

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Solution

The fourth proportional to 36,510.41, 50,384.57 and 20,378.45 is: 28,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,510.41 : 50,384.57 = 20,378.45 : x
  2. Step 2: Convert to fraction form
    36,510.41/50,384.57 = 20,378.45/x
  3. Step 3: Cross multiply
    36,510.41x = 50,384.57 × 20,378.45
  4. Step 4: Simplify right side
    36,510.41x = 1,026,759,086.70
  5. Step 5: Solve for x
    x = 1,026,759,086.70/36,510.41
  6. Step 6: Final answer
    x = 28,122.37

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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.