Home / 31,365.48-43,283.94-17,938.92

Finding the Fourth Proportional to 31,365.48, 43,283.94 and 17,938.92

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Solution

The fourth proportional to 31,365.48, 43,283.94 and 17,938.92 is: 24,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,365.48 : 43,283.94 = 17,938.92 : x
  2. Step 2: Convert to fraction form
    31,365.48/43,283.94 = 17,938.92/x
  3. Step 3: Cross multiply
    31,365.48x = 43,283.94 × 17,938.92
  4. Step 4: Simplify right side
    31,365.48x = 776,467,136.94
  5. Step 5: Solve for x
    x = 776,467,136.94/31,365.48
  6. Step 6: Final answer
    x = 24,755.47

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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.