Home / 39,105.33-53,964-23,180.31

Finding the Fourth Proportional to 39,105.33, 53,964 and 23,180.31

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Solution

The fourth proportional to 39,105.33, 53,964 and 23,180.31 is: 31,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,105.33 : 53,964 = 23,180.31 : x
  2. Step 2: Convert to fraction form
    39,105.33/53,964 = 23,180.31/x
  3. Step 3: Cross multiply
    39,105.33x = 53,964 × 23,180.31
  4. Step 4: Simplify right side
    39,105.33x = 1,250,902,248.84
  5. Step 5: Solve for x
    x = 1,250,902,248.84/39,105.33
  6. Step 6: Final answer
    x = 31,988.02

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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.