Home / 31,412.11-47,078.04-14,735.36

Finding the Fourth Proportional to 31,412.11, 47,078.04 and 14,735.36

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Solution

The fourth proportional to 31,412.11, 47,078.04 and 14,735.36 is: 22,084.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412.11 : 47,078.04 = 14,735.36 : x
  2. Step 2: Convert to fraction form
    31,412.11/47,078.04 = 14,735.36/x
  3. Step 3: Cross multiply
    31,412.11x = 47,078.04 × 14,735.36
  4. Step 4: Simplify right side
    31,412.11x = 693,711,867.49
  5. Step 5: Solve for x
    x = 693,711,867.49/31,412.11
  6. Step 6: Final answer
    x = 22,084.22

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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.