Home / 55,622.25-76,758.75-30,471.75

Finding the Fourth Proportional to 55,622.25, 76,758.75 and 30,471.75

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Solution

The fourth proportional to 55,622.25, 76,758.75 and 30,471.75 is: 42,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,622.25 : 76,758.75 = 30,471.75 : x
  2. Step 2: Convert to fraction form
    55,622.25/76,758.75 = 30,471.75/x
  3. Step 3: Cross multiply
    55,622.25x = 76,758.75 × 30,471.75
  4. Step 4: Simplify right side
    55,622.25x = 2,338,973,440.31
  5. Step 5: Solve for x
    x = 2,338,973,440.31/55,622.25
  6. Step 6: Final answer
    x = 42,051.04

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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.