Home / 51,305.82-70,831.50-39,110.58

Finding the Fourth Proportional to 51,305.82, 70,831.50 and 39,110.58

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Solution

The fourth proportional to 51,305.82, 70,831.50 and 39,110.58 is: 53,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,305.82 : 70,831.50 = 39,110.58 : x
  2. Step 2: Convert to fraction form
    51,305.82/70,831.50 = 39,110.58/x
  3. Step 3: Cross multiply
    51,305.82x = 70,831.50 × 39,110.58
  4. Step 4: Simplify right side
    51,305.82x = 2,770,261,047.27
  5. Step 5: Solve for x
    x = 2,770,261,047.27/51,305.82
  6. Step 6: Final answer
    x = 53,995.06

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1.5x scale

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.