Home / 30,721.28-46,045.94-11,733.47

Finding the Fourth Proportional to 30,721.28, 46,045.94 and 11,733.47

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Solution

The fourth proportional to 30,721.28, 46,045.94 and 11,733.47 is: 17,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721.28 : 46,045.94 = 11,733.47 : x
  2. Step 2: Convert to fraction form
    30,721.28/46,045.94 = 11,733.47/x
  3. Step 3: Cross multiply
    30,721.28x = 46,045.94 × 11,733.47
  4. Step 4: Simplify right side
    30,721.28x = 540,278,800.06
  5. Step 5: Solve for x
    x = 540,278,800.06/30,721.28
  6. Step 6: Final answer
    x = 17,586.47

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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.