Home / 31,234.23-43,103.28-17,087.07

Finding the Fourth Proportional to 31,234.23, 43,103.28 and 17,087.07

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Solution

The fourth proportional to 31,234.23, 43,103.28 and 17,087.07 is: 23,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234.23 : 43,103.28 = 17,087.07 : x
  2. Step 2: Convert to fraction form
    31,234.23/43,103.28 = 17,087.07/x
  3. Step 3: Cross multiply
    31,234.23x = 43,103.28 × 17,087.07
  4. Step 4: Simplify right side
    31,234.23x = 736,508,762.59
  5. Step 5: Solve for x
    x = 736,508,762.59/31,234.23
  6. Step 6: Final answer
    x = 23,580.18

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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.