Home / 31,401.54-43,334.06-17,972.46

Finding the Fourth Proportional to 31,401.54, 43,334.06 and 17,972.46

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Solution

The fourth proportional to 31,401.54, 43,334.06 and 17,972.46 is: 24,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.54 : 43,334.06 = 17,972.46 : x
  2. Step 2: Convert to fraction form
    31,401.54/43,334.06 = 17,972.46/x
  3. Step 3: Cross multiply
    31,401.54x = 43,334.06 × 17,972.46
  4. Step 4: Simplify right side
    31,401.54x = 778,819,570.13
  5. Step 5: Solve for x
    x = 778,819,570.13/31,401.54
  6. Step 6: Final answer
    x = 24,801.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.