Home / 31,809.04-43,895.64-17,661.52

Finding the Fourth Proportional to 31,809.04, 43,895.64 and 17,661.52

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Solution

The fourth proportional to 31,809.04, 43,895.64 and 17,661.52 is: 24,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,809.04 : 43,895.64 = 17,661.52 : x
  2. Step 2: Convert to fraction form
    31,809.04/43,895.64 = 17,661.52/x
  3. Step 3: Cross multiply
    31,809.04x = 43,895.64 × 17,661.52
  4. Step 4: Simplify right side
    31,809.04x = 775,263,723.77
  5. Step 5: Solve for x
    x = 775,263,723.77/31,809.04
  6. Step 6: Final answer
    x = 24,372.43

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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.