Home / 51,686.75-71,323.32-29,023.95

Finding the Fourth Proportional to 51,686.75, 71,323.32 and 29,023.95

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Solution

The fourth proportional to 51,686.75, 71,323.32 and 29,023.95 is: 40,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686.75 : 71,323.32 = 29,023.95 : x
  2. Step 2: Convert to fraction form
    51,686.75/71,323.32 = 29,023.95/x
  3. Step 3: Cross multiply
    51,686.75x = 71,323.32 × 29,023.95
  4. Step 4: Simplify right side
    51,686.75x = 2,070,084,473.51
  5. Step 5: Solve for x
    x = 2,070,084,473.51/51,686.75
  6. Step 6: Final answer
    x = 40,050.59

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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.