Home / 31,946.60-44,086.20-18,520.58

Finding the Fourth Proportional to 31,946.60, 44,086.20 and 18,520.58

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Solution

The fourth proportional to 31,946.60, 44,086.20 and 18,520.58 is: 25,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,946.60 : 44,086.20 = 18,520.58 : x
  2. Step 2: Convert to fraction form
    31,946.60/44,086.20 = 18,520.58/x
  3. Step 3: Cross multiply
    31,946.60x = 44,086.20 × 18,520.58
  4. Step 4: Simplify right side
    31,946.60x = 816,501,994.00
  5. Step 5: Solve for x
    x = 816,501,994.00/31,946.60
  6. Step 6: Final answer
    x = 25,558.34

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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.