Home / 31,530.36-47,295.54-10,754.04

Finding the Fourth Proportional to 31,530.36, 47,295.54 and 10,754.04

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Solution

The fourth proportional to 31,530.36, 47,295.54 and 10,754.04 is: 16,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530.36 : 47,295.54 = 10,754.04 : x
  2. Step 2: Convert to fraction form
    31,530.36/47,295.54 = 10,754.04/x
  3. Step 3: Cross multiply
    31,530.36x = 47,295.54 × 10,754.04
  4. Step 4: Simplify right side
    31,530.36x = 508,618,128.98
  5. Step 5: Solve for x
    x = 508,618,128.98/31,530.36
  6. Step 6: Final answer
    x = 16,131.06

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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.