Home / 31,867.79-47,708.22-22,347.09

Finding the Fourth Proportional to 31,867.79, 47,708.22 and 22,347.09

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Solution

The fourth proportional to 31,867.79, 47,708.22 and 22,347.09 is: 33,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.79 : 47,708.22 = 22,347.09 : x
  2. Step 2: Convert to fraction form
    31,867.79/47,708.22 = 22,347.09/x
  3. Step 3: Cross multiply
    31,867.79x = 47,708.22 × 22,347.09
  4. Step 4: Simplify right side
    31,867.79x = 1,066,139,886.08
  5. Step 5: Solve for x
    x = 1,066,139,886.08/31,867.79
  6. Step 6: Final answer
    x = 33,455.10

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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.