Home / 53,845.84-80,781.56-16,909.84

Finding the Fourth Proportional to 53,845.84, 80,781.56 and 16,909.84

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Solution

The fourth proportional to 53,845.84, 80,781.56 and 16,909.84 is: 25,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,845.84 : 80,781.56 = 16,909.84 : x
  2. Step 2: Convert to fraction form
    53,845.84/80,781.56 = 16,909.84/x
  3. Step 3: Cross multiply
    53,845.84x = 80,781.56 × 16,909.84
  4. Step 4: Simplify right side
    53,845.84x = 1,366,003,254.55
  5. Step 5: Solve for x
    x = 1,366,003,254.55/53,845.84
  6. Step 6: Final answer
    x = 25,368.78

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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.