Home / 31,709.32-47,564.44-15,071.05

Finding the Fourth Proportional to 31,709.32, 47,564.44 and 15,071.05

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Solution

The fourth proportional to 31,709.32, 47,564.44 and 15,071.05 is: 22,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709.32 : 47,564.44 = 15,071.05 : x
  2. Step 2: Convert to fraction form
    31,709.32/47,564.44 = 15,071.05/x
  3. Step 3: Cross multiply
    31,709.32x = 47,564.44 × 15,071.05
  4. Step 4: Simplify right side
    31,709.32x = 716,845,777.96
  5. Step 5: Solve for x
    x = 716,845,777.96/31,709.32
  6. Step 6: Final answer
    x = 22,606.79

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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.