Home / 31,154.49-46,703.93-11,428.43

Finding the Fourth Proportional to 31,154.49, 46,703.93 and 11,428.43

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Solution

The fourth proportional to 31,154.49, 46,703.93 and 11,428.43 is: 17,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,154.49 : 46,703.93 = 11,428.43 : x
  2. Step 2: Convert to fraction form
    31,154.49/46,703.93 = 11,428.43/x
  3. Step 3: Cross multiply
    31,154.49x = 46,703.93 × 11,428.43
  4. Step 4: Simplify right side
    31,154.49x = 533,752,304.07
  5. Step 5: Solve for x
    x = 533,752,304.07/31,154.49
  6. Step 6: Final answer
    x = 17,132.44

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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.