Home / 31,259.17-43,137.73-17,112.93

Finding the Fourth Proportional to 31,259.17, 43,137.73 and 17,112.93

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Solution

The fourth proportional to 31,259.17, 43,137.73 and 17,112.93 is: 23,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,259.17 : 43,137.73 = 17,112.93 : x
  2. Step 2: Convert to fraction form
    31,259.17/43,137.73 = 17,112.93/x
  3. Step 3: Cross multiply
    31,259.17x = 43,137.73 × 17,112.93
  4. Step 4: Simplify right side
    31,259.17x = 738,212,953.85
  5. Step 5: Solve for x
    x = 738,212,953.85/31,259.17
  6. Step 6: Final answer
    x = 23,615.88

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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.