Home / 35,188.92-48,561.50-20,081.28

Finding the Fourth Proportional to 35,188.92, 48,561.50 and 20,081.28

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Solution

The fourth proportional to 35,188.92, 48,561.50 and 20,081.28 is: 27,712.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,188.92 : 48,561.50 = 20,081.28 : x
  2. Step 2: Convert to fraction form
    35,188.92/48,561.50 = 20,081.28/x
  3. Step 3: Cross multiply
    35,188.92x = 48,561.50 × 20,081.28
  4. Step 4: Simplify right side
    35,188.92x = 975,177,200.12
  5. Step 5: Solve for x
    x = 975,177,200.12/35,188.92
  6. Step 6: Final answer
    x = 27,712.62

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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.