Home / 31,398.62-43,327.58-17,966.79

Finding the Fourth Proportional to 31,398.62, 43,327.58 and 17,966.79

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Solution

The fourth proportional to 31,398.62, 43,327.58 and 17,966.79 is: 24,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.62 : 43,327.58 = 17,966.79 : x
  2. Step 2: Convert to fraction form
    31,398.62/43,327.58 = 17,966.79/x
  3. Step 3: Cross multiply
    31,398.62x = 43,327.58 × 17,966.79
  4. Step 4: Simplify right side
    31,398.62x = 778,457,441.23
  5. Step 5: Solve for x
    x = 778,457,441.23/31,398.62
  6. Step 6: Final answer
    x = 24,792.73

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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.