Home / 31,467.68-47,209.72-11,746.40

Finding the Fourth Proportional to 31,467.68, 47,209.72 and 11,746.40

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Solution

The fourth proportional to 31,467.68, 47,209.72 and 11,746.40 is: 17,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.68 : 47,209.72 = 11,746.40 : x
  2. Step 2: Convert to fraction form
    31,467.68/47,209.72 = 11,746.40/x
  3. Step 3: Cross multiply
    31,467.68x = 47,209.72 × 11,746.40
  4. Step 4: Simplify right side
    31,467.68x = 554,544,255.01
  5. Step 5: Solve for x
    x = 554,544,255.01/31,467.68
  6. Step 6: Final answer
    x = 17,622.66

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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.