Home / 31,640.09-43,663.73-17,492.90

Finding the Fourth Proportional to 31,640.09, 43,663.73 and 17,492.90

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Solution

The fourth proportional to 31,640.09, 43,663.73 and 17,492.90 is: 24,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,640.09 : 43,663.73 = 17,492.90 : x
  2. Step 2: Convert to fraction form
    31,640.09/43,663.73 = 17,492.90/x
  3. Step 3: Cross multiply
    31,640.09x = 43,663.73 × 17,492.90
  4. Step 4: Simplify right side
    31,640.09x = 763,804,956.73
  5. Step 5: Solve for x
    x = 763,804,956.73/31,640.09
  6. Step 6: Final answer
    x = 24,140.42

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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.