Home / 31,646.74-47,473.36-11,941.88

Finding the Fourth Proportional to 31,646.74, 47,473.36 and 11,941.88

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Solution

The fourth proportional to 31,646.74, 47,473.36 and 11,941.88 is: 17,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,646.74 : 47,473.36 = 11,941.88 : x
  2. Step 2: Convert to fraction form
    31,646.74/47,473.36 = 11,941.88/x
  3. Step 3: Cross multiply
    31,646.74x = 47,473.36 × 11,941.88
  4. Step 4: Simplify right side
    31,646.74x = 566,921,168.32
  5. Step 5: Solve for x
    x = 566,921,168.32/31,646.74
  6. Step 6: Final answer
    x = 17,914.05

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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.