Home / 30,660.67-45,981.69-10,934.74

Finding the Fourth Proportional to 30,660.67, 45,981.69 and 10,934.74

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Solution

The fourth proportional to 30,660.67, 45,981.69 and 10,934.74 is: 16,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,660.67 : 45,981.69 = 10,934.74 : x
  2. Step 2: Convert to fraction form
    30,660.67/45,981.69 = 10,934.74/x
  3. Step 3: Cross multiply
    30,660.67x = 45,981.69 × 10,934.74
  4. Step 4: Simplify right side
    30,660.67x = 502,797,824.91
  5. Step 5: Solve for x
    x = 502,797,824.91/30,660.67
  6. Step 6: Final answer
    x = 16,398.79

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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.