Home / 31,604.98-47,370.75-11,870.95

Finding the Fourth Proportional to 31,604.98, 47,370.75 and 11,870.95

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Solution

The fourth proportional to 31,604.98, 47,370.75 and 11,870.95 is: 17,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,604.98 : 47,370.75 = 11,870.95 : x
  2. Step 2: Convert to fraction form
    31,604.98/47,370.75 = 11,870.95/x
  3. Step 3: Cross multiply
    31,604.98x = 47,370.75 × 11,870.95
  4. Step 4: Simplify right side
    31,604.98x = 562,335,804.71
  5. Step 5: Solve for x
    x = 562,335,804.71/31,604.98
  6. Step 6: Final answer
    x = 17,792.63

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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.