Home / 30,393.36-41,942.52-17,815.68

Finding the Fourth Proportional to 30,393.36, 41,942.52 and 17,815.68

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Solution

The fourth proportional to 30,393.36, 41,942.52 and 17,815.68 is: 24,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.36 : 41,942.52 = 17,815.68 : x
  2. Step 2: Convert to fraction form
    30,393.36/41,942.52 = 17,815.68/x
  3. Step 3: Cross multiply
    30,393.36x = 41,942.52 × 17,815.68
  4. Step 4: Simplify right side
    30,393.36x = 747,234,514.71
  5. Step 5: Solve for x
    x = 747,234,514.71/30,393.36
  6. Step 6: Final answer
    x = 24,585.45

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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.