Home / 31,332.49-47,001.47-11,611.22

Finding the Fourth Proportional to 31,332.49, 47,001.47 and 11,611.22

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Solution

The fourth proportional to 31,332.49, 47,001.47 and 11,611.22 is: 17,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,332.49 : 47,001.47 = 11,611.22 : x
  2. Step 2: Convert to fraction form
    31,332.49/47,001.47 = 11,611.22/x
  3. Step 3: Cross multiply
    31,332.49x = 47,001.47 × 11,611.22
  4. Step 4: Simplify right side
    31,332.49x = 545,744,115.43
  5. Step 5: Solve for x
    x = 545,744,115.43/31,332.49
  6. Step 6: Final answer
    x = 17,417.84

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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.