Home / 40,890.20-61,323.44-15,924.68

Finding the Fourth Proportional to 40,890.20, 61,323.44 and 15,924.68

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Solution

The fourth proportional to 40,890.20, 61,323.44 and 15,924.68 is: 23,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890.20 : 61,323.44 = 15,924.68 : x
  2. Step 2: Convert to fraction form
    40,890.20/61,323.44 = 15,924.68/x
  3. Step 3: Cross multiply
    40,890.20x = 61,323.44 × 15,924.68
  4. Step 4: Simplify right side
    40,890.20x = 976,555,891.69
  5. Step 5: Solve for x
    x = 976,555,891.69/40,890.20
  6. Step 6: Final answer
    x = 23,882.40

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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.