Home / 35,604.39-53,409.42-20,814.83

Finding the Fourth Proportional to 35,604.39, 53,409.42 and 20,814.83

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Solution

The fourth proportional to 35,604.39, 53,409.42 and 20,814.83 is: 31,223.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,604.39 : 53,409.42 = 20,814.83 : x
  2. Step 2: Convert to fraction form
    35,604.39/53,409.42 = 20,814.83/x
  3. Step 3: Cross multiply
    35,604.39x = 53,409.42 × 20,814.83
  4. Step 4: Simplify right side
    35,604.39x = 1,111,707,730.65
  5. Step 5: Solve for x
    x = 1,111,707,730.65/35,604.39
  6. Step 6: Final answer
    x = 31,223.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.