Home / 31,967.08-47,958.30-15,322.36

Finding the Fourth Proportional to 31,967.08, 47,958.30 and 15,322.36

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Solution

The fourth proportional to 31,967.08, 47,958.30 and 15,322.36 is: 22,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,967.08 : 47,958.30 = 15,322.36 : x
  2. Step 2: Convert to fraction form
    31,967.08/47,958.30 = 15,322.36/x
  3. Step 3: Cross multiply
    31,967.08x = 47,958.30 × 15,322.36
  4. Step 4: Simplify right side
    31,967.08x = 734,834,337.59
  5. Step 5: Solve for x
    x = 734,834,337.59/31,967.08
  6. Step 6: Final answer
    x = 22,987.22

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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.