Home / 40,504.37-55,491.29-38,989.53

Finding the Fourth Proportional to 40,504.37, 55,491.29 and 38,989.53

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Solution

The fourth proportional to 40,504.37, 55,491.29 and 38,989.53 is: 53,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,504.37 : 55,491.29 = 38,989.53 : x
  2. Step 2: Convert to fraction form
    40,504.37/55,491.29 = 38,989.53/x
  3. Step 3: Cross multiply
    40,504.37x = 55,491.29 × 38,989.53
  4. Step 4: Simplify right side
    40,504.37x = 2,163,579,121.25
  5. Step 5: Solve for x
    x = 2,163,579,121.25/40,504.37
  6. Step 6: Final answer
    x = 53,415.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.