Home / 55,590.96-76,715.52-30,440.46

Finding the Fourth Proportional to 55,590.96, 76,715.52 and 30,440.46

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Solution

The fourth proportional to 55,590.96, 76,715.52 and 30,440.46 is: 42,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,590.96 : 76,715.52 = 30,440.46 : x
  2. Step 2: Convert to fraction form
    55,590.96/76,715.52 = 30,440.46/x
  3. Step 3: Cross multiply
    55,590.96x = 76,715.52 × 30,440.46
  4. Step 4: Simplify right side
    55,590.96x = 2,335,255,717.94
  5. Step 5: Solve for x
    x = 2,335,255,717.94/55,590.96
  6. Step 6: Final answer
    x = 42,007.83

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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.