Home / 31,424.25-43,365.54-17,277.20

Finding the Fourth Proportional to 31,424.25, 43,365.54 and 17,277.20

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Solution

The fourth proportional to 31,424.25, 43,365.54 and 17,277.20 is: 23,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.25 : 43,365.54 = 17,277.20 : x
  2. Step 2: Convert to fraction form
    31,424.25/43,365.54 = 17,277.20/x
  3. Step 3: Cross multiply
    31,424.25x = 43,365.54 × 17,277.20
  4. Step 4: Simplify right side
    31,424.25x = 749,234,890.86
  5. Step 5: Solve for x
    x = 749,234,890.86/31,424.25
  6. Step 6: Final answer
    x = 23,842.57

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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.