Home / 31,415.73-43,353.86-17,269.49

Finding the Fourth Proportional to 31,415.73, 43,353.86 and 17,269.49

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Solution

The fourth proportional to 31,415.73, 43,353.86 and 17,269.49 is: 23,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415.73 : 43,353.86 = 17,269.49 : x
  2. Step 2: Convert to fraction form
    31,415.73/43,353.86 = 17,269.49/x
  3. Step 3: Cross multiply
    31,415.73x = 43,353.86 × 17,269.49
  4. Step 4: Simplify right side
    31,415.73x = 748,699,051.73
  5. Step 5: Solve for x
    x = 748,699,051.73/31,415.73
  6. Step 6: Final answer
    x = 23,831.98

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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.