Home / 31,792.69-43,875.44-18,365.73

Finding the Fourth Proportional to 31,792.69, 43,875.44 and 18,365.73

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Solution

The fourth proportional to 31,792.69, 43,875.44 and 18,365.73 is: 25,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,792.69 : 43,875.44 = 18,365.73 : x
  2. Step 2: Convert to fraction form
    31,792.69/43,875.44 = 18,365.73/x
  3. Step 3: Cross multiply
    31,792.69x = 43,875.44 × 18,365.73
  4. Step 4: Simplify right side
    31,792.69x = 805,804,484.67
  5. Step 5: Solve for x
    x = 805,804,484.67/31,792.69
  6. Step 6: Final answer
    x = 25,345.59

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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.