Home / 51,640.66-71,259.93-28,976.51

Finding the Fourth Proportional to 51,640.66, 71,259.93 and 28,976.51

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Solution

The fourth proportional to 51,640.66, 71,259.93 and 28,976.51 is: 39,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,640.66 : 71,259.93 = 28,976.51 : x
  2. Step 2: Convert to fraction form
    51,640.66/71,259.93 = 28,976.51/x
  3. Step 3: Cross multiply
    51,640.66x = 71,259.93 × 28,976.51
  4. Step 4: Simplify right side
    51,640.66x = 2,064,864,074.24
  5. Step 5: Solve for x
    x = 2,064,864,074.24/51,640.66
  6. Step 6: Final answer
    x = 39,985.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.