Home / 30,708.11-46,034.76-11,983.79

Finding the Fourth Proportional to 30,708.11, 46,034.76 and 11,983.79

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Solution

The fourth proportional to 30,708.11, 46,034.76 and 11,983.79 is: 17,964.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,708.11 : 46,034.76 = 11,983.79 : x
  2. Step 2: Convert to fraction form
    30,708.11/46,034.76 = 11,983.79/x
  3. Step 3: Cross multiply
    30,708.11x = 46,034.76 × 11,983.79
  4. Step 4: Simplify right side
    30,708.11x = 551,670,666.37
  5. Step 5: Solve for x
    x = 551,670,666.37/30,708.11
  6. Step 6: Final answer
    x = 17,964.99

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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.