Home / 39,896.36-55,061.70-23,129.96

Finding the Fourth Proportional to 39,896.36, 55,061.70 and 23,129.96

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Solution

The fourth proportional to 39,896.36, 55,061.70 and 23,129.96 is: 31,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,896.36 : 55,061.70 = 23,129.96 : x
  2. Step 2: Convert to fraction form
    39,896.36/55,061.70 = 23,129.96/x
  3. Step 3: Cross multiply
    39,896.36x = 55,061.70 × 23,129.96
  4. Step 4: Simplify right side
    39,896.36x = 1,273,574,918.53
  5. Step 5: Solve for x
    x = 1,273,574,918.53/39,896.36
  6. Step 6: Final answer
    x = 31,922.08

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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.