Home / 31,918.60-44,048.10-17,771.80

Finding the Fourth Proportional to 31,918.60, 44,048.10 and 17,771.80

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Solution

The fourth proportional to 31,918.60, 44,048.10 and 17,771.80 is: 24,525.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,918.60 : 44,048.10 = 17,771.80 : x
  2. Step 2: Convert to fraction form
    31,918.60/44,048.10 = 17,771.80/x
  3. Step 3: Cross multiply
    31,918.60x = 44,048.10 × 17,771.80
  4. Step 4: Simplify right side
    31,918.60x = 782,814,023.58
  5. Step 5: Solve for x
    x = 782,814,023.58/31,918.60
  6. Step 6: Final answer
    x = 24,525.32

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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.