Home / 31,424.45-43,365.72-17,277.29

Finding the Fourth Proportional to 31,424.45, 43,365.72 and 17,277.29

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Solution

The fourth proportional to 31,424.45, 43,365.72 and 17,277.29 is: 23,842.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.45 : 43,365.72 = 17,277.29 : x
  2. Step 2: Convert to fraction form
    31,424.45/43,365.72 = 17,277.29/x
  3. Step 3: Cross multiply
    31,424.45x = 43,365.72 × 17,277.29
  4. Step 4: Simplify right side
    31,424.45x = 749,241,903.67
  5. Step 5: Solve for x
    x = 749,241,903.67/31,424.45
  6. Step 6: Final answer
    x = 23,842.65

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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.