Home / 53,778.60-80,668.16-16,338.96

Finding the Fourth Proportional to 53,778.60, 80,668.16 and 16,338.96

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Solution

The fourth proportional to 53,778.60, 80,668.16 and 16,338.96 is: 24,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,778.60 : 80,668.16 = 16,338.96 : x
  2. Step 2: Convert to fraction form
    53,778.60/80,668.16 = 16,338.96/x
  3. Step 3: Cross multiply
    53,778.60x = 80,668.16 × 16,338.96
  4. Step 4: Simplify right side
    53,778.60x = 1,318,033,839.51
  5. Step 5: Solve for x
    x = 1,318,033,839.51/53,778.60
  6. Step 6: Final answer
    x = 24,508.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.