Home / 39,950.80-55,131.16-22,045.84

Finding the Fourth Proportional to 39,950.80, 55,131.16 and 22,045.84

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Solution

The fourth proportional to 39,950.80, 55,131.16 and 22,045.84 is: 30,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,950.80 : 55,131.16 = 22,045.84 : x
  2. Step 2: Convert to fraction form
    39,950.80/55,131.16 = 22,045.84/x
  3. Step 3: Cross multiply
    39,950.80x = 55,131.16 × 22,045.84
  4. Step 4: Simplify right side
    39,950.80x = 1,215,412,732.37
  5. Step 5: Solve for x
    x = 1,215,412,732.37/39,950.80
  6. Step 6: Final answer
    x = 30,422.74

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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.