Home / 39,106.82-53,966.09-23,181.81

Finding the Fourth Proportional to 39,106.82, 53,966.09 and 23,181.81

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Solution

The fourth proportional to 39,106.82, 53,966.09 and 23,181.81 is: 31,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106.82 : 53,966.09 = 23,181.81 : x
  2. Step 2: Convert to fraction form
    39,106.82/53,966.09 = 23,181.81/x
  3. Step 3: Cross multiply
    39,106.82x = 53,966.09 × 23,181.81
  4. Step 4: Simplify right side
    39,106.82x = 1,251,031,528.91
  5. Step 5: Solve for x
    x = 1,251,031,528.91/39,106.82
  6. Step 6: Final answer
    x = 31,990.12

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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.