Home / 39,114.28-53,998.68-30,207.88

Finding the Fourth Proportional to 39,114.28, 53,998.68 and 30,207.88

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Solution

The fourth proportional to 39,114.28, 53,998.68 and 30,207.88 is: 41,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,114.28 : 53,998.68 = 30,207.88 : x
  2. Step 2: Convert to fraction form
    39,114.28/53,998.68 = 30,207.88/x
  3. Step 3: Cross multiply
    39,114.28x = 53,998.68 × 30,207.88
  4. Step 4: Simplify right side
    39,114.28x = 1,631,185,645.60
  5. Step 5: Solve for x
    x = 1,631,185,645.60/39,114.28
  6. Step 6: Final answer
    x = 41,703.07

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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.