Home / 40,674.40-60,998.64-20,950.36

Finding the Fourth Proportional to 40,674.40, 60,998.64 and 20,950.36

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Solution

The fourth proportional to 40,674.40, 60,998.64 and 20,950.36 is: 31,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,674.40 : 60,998.64 = 20,950.36 : x
  2. Step 2: Convert to fraction form
    40,674.40/60,998.64 = 20,950.36/x
  3. Step 3: Cross multiply
    40,674.40x = 60,998.64 × 20,950.36
  4. Step 4: Simplify right side
    40,674.40x = 1,277,943,467.51
  5. Step 5: Solve for x
    x = 1,277,943,467.51/40,674.40
  6. Step 6: Final answer
    x = 31,418.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.