Home / 39,106.96-53,966.20-23,182

Finding the Fourth Proportional to 39,106.96, 53,966.20 and 23,182

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Solution

The fourth proportional to 39,106.96, 53,966.20 and 23,182 is: 31,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106.96 : 53,966.20 = 23,182 : x
  2. Step 2: Convert to fraction form
    39,106.96/53,966.20 = 23,182/x
  3. Step 3: Cross multiply
    39,106.96x = 53,966.20 × 23,182
  4. Step 4: Simplify right side
    39,106.96x = 1,251,044,448.40
  5. Step 5: Solve for x
    x = 1,251,044,448.40/39,106.96
  6. Step 6: Final answer
    x = 31,990.33

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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.