Home / 53,946.60-80,915.56-18,404.88

Finding the Fourth Proportional to 53,946.60, 80,915.56 and 18,404.88

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Solution

The fourth proportional to 53,946.60, 80,915.56 and 18,404.88 is: 27,605.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,946.60 : 80,915.56 = 18,404.88 : x
  2. Step 2: Convert to fraction form
    53,946.60/80,915.56 = 18,404.88/x
  3. Step 3: Cross multiply
    53,946.60x = 80,915.56 × 18,404.88
  4. Step 4: Simplify right side
    53,946.60x = 1,489,241,171.93
  5. Step 5: Solve for x
    x = 1,489,241,171.93/53,946.60
  6. Step 6: Final answer
    x = 27,605.84

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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.