Home / 31,327.73-43,225.44-18,574.59

Finding the Fourth Proportional to 31,327.73, 43,225.44 and 18,574.59

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Solution

The fourth proportional to 31,327.73, 43,225.44 and 18,574.59 is: 25,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.73 : 43,225.44 = 18,574.59 : x
  2. Step 2: Convert to fraction form
    31,327.73/43,225.44 = 18,574.59/x
  3. Step 3: Cross multiply
    31,327.73x = 43,225.44 × 18,574.59
  4. Step 4: Simplify right side
    31,327.73x = 802,894,825.57
  5. Step 5: Solve for x
    x = 802,894,825.57/31,327.73
  6. Step 6: Final answer
    x = 25,628.89

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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.