Home / 46,971.72-70,458.12-11,910.48

Finding the Fourth Proportional to 46,971.72, 70,458.12 and 11,910.48

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Solution

The fourth proportional to 46,971.72, 70,458.12 and 11,910.48 is: 17,865.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,971.72 : 70,458.12 = 11,910.48 : x
  2. Step 2: Convert to fraction form
    46,971.72/70,458.12 = 11,910.48/x
  3. Step 3: Cross multiply
    46,971.72x = 70,458.12 × 11,910.48
  4. Step 4: Simplify right side
    46,971.72x = 839,190,029.10
  5. Step 5: Solve for x
    x = 839,190,029.10/46,971.72
  6. Step 6: Final answer
    x = 17,865.86

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1.5x scale

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.