Home / 40,642.54-60,974.77-16,942.21

Finding the Fourth Proportional to 40,642.54, 60,974.77 and 16,942.21

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Solution

The fourth proportional to 40,642.54, 60,974.77 and 16,942.21 is: 25,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,642.54 : 60,974.77 = 16,942.21 : x
  2. Step 2: Convert to fraction form
    40,642.54/60,974.77 = 16,942.21/x
  3. Step 3: Cross multiply
    40,642.54x = 60,974.77 × 16,942.21
  4. Step 4: Simplify right side
    40,642.54x = 1,033,047,315.69
  5. Step 5: Solve for x
    x = 1,033,047,315.69/40,642.54
  6. Step 6: Final answer
    x = 25,417.88

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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.