Home / 36,480.99-50,243.10-31,443.36

Finding the Fourth Proportional to 36,480.99, 50,243.10 and 31,443.36

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Solution

The fourth proportional to 36,480.99, 50,243.10 and 31,443.36 is: 43,305.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,480.99 : 50,243.10 = 31,443.36 : x
  2. Step 2: Convert to fraction form
    36,480.99/50,243.10 = 31,443.36/x
  3. Step 3: Cross multiply
    36,480.99x = 50,243.10 × 31,443.36
  4. Step 4: Simplify right side
    36,480.99x = 1,579,811,880.82
  5. Step 5: Solve for x
    x = 1,579,811,880.82/36,480.99
  6. Step 6: Final answer
    x = 43,305.07

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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.