Home / 31,376.60-43,302.70-17,945.22

Finding the Fourth Proportional to 31,376.60, 43,302.70 and 17,945.22

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Solution

The fourth proportional to 31,376.60, 43,302.70 and 17,945.22 is: 24,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.60 : 43,302.70 = 17,945.22 : x
  2. Step 2: Convert to fraction form
    31,376.60/43,302.70 = 17,945.22/x
  3. Step 3: Cross multiply
    31,376.60x = 43,302.70 × 17,945.22
  4. Step 4: Simplify right side
    31,376.60x = 777,076,478.09
  5. Step 5: Solve for x
    x = 777,076,478.09/31,376.60
  6. Step 6: Final answer
    x = 24,766.11

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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.