Home / 31,973.60-47,964.10-10,628.22

Finding the Fourth Proportional to 31,973.60, 47,964.10 and 10,628.22

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Solution

The fourth proportional to 31,973.60, 47,964.10 and 10,628.22 is: 15,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,973.60 : 47,964.10 = 10,628.22 : x
  2. Step 2: Convert to fraction form
    31,973.60/47,964.10 = 10,628.22/x
  3. Step 3: Cross multiply
    31,973.60x = 47,964.10 × 10,628.22
  4. Step 4: Simplify right side
    31,973.60x = 509,772,980.33
  5. Step 5: Solve for x
    x = 509,772,980.33/31,973.60
  6. Step 6: Final answer
    x = 15,943.56

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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.