Home / 34,857.77-48,110.70-20,707.88

Finding the Fourth Proportional to 34,857.77, 48,110.70 and 20,707.88

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Solution

The fourth proportional to 34,857.77, 48,110.70 and 20,707.88 is: 28,581.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,857.77 : 48,110.70 = 20,707.88 : x
  2. Step 2: Convert to fraction form
    34,857.77/48,110.70 = 20,707.88/x
  3. Step 3: Cross multiply
    34,857.77x = 48,110.70 × 20,707.88
  4. Step 4: Simplify right side
    34,857.77x = 996,270,361.76
  5. Step 5: Solve for x
    x = 996,270,361.76/34,857.77
  6. Step 6: Final answer
    x = 28,581.02

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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.