Home / 30,792.88-46,263.28-19,721.04

Finding the Fourth Proportional to 30,792.88, 46,263.28 and 19,721.04

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Solution

The fourth proportional to 30,792.88, 46,263.28 and 19,721.04 is: 29,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,792.88 : 46,263.28 = 19,721.04 : x
  2. Step 2: Convert to fraction form
    30,792.88/46,263.28 = 19,721.04/x
  3. Step 3: Cross multiply
    30,792.88x = 46,263.28 × 19,721.04
  4. Step 4: Simplify right side
    30,792.88x = 912,359,995.41
  5. Step 5: Solve for x
    x = 912,359,995.41/30,792.88
  6. Step 6: Final answer
    x = 29,628.93

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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.