Home / 35,407.13-48,856.68-20,091.31

Finding the Fourth Proportional to 35,407.13, 48,856.68 and 20,091.31

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Solution

The fourth proportional to 35,407.13, 48,856.68 and 20,091.31 is: 27,723.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,407.13 : 48,856.68 = 20,091.31 : x
  2. Step 2: Convert to fraction form
    35,407.13/48,856.68 = 20,091.31/x
  3. Step 3: Cross multiply
    35,407.13x = 48,856.68 × 20,091.31
  4. Step 4: Simplify right side
    35,407.13x = 981,594,581.31
  5. Step 5: Solve for x
    x = 981,594,581.31/35,407.13
  6. Step 6: Final answer
    x = 27,723.08

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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.