Home / 53,181.60-79,783.20-18,124.80

Finding the Fourth Proportional to 53,181.60, 79,783.20 and 18,124.80

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Solution

The fourth proportional to 53,181.60, 79,783.20 and 18,124.80 is: 27,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.60 : 79,783.20 = 18,124.80 : x
  2. Step 2: Convert to fraction form
    53,181.60/79,783.20 = 18,124.80/x
  3. Step 3: Cross multiply
    53,181.60x = 79,783.20 × 18,124.80
  4. Step 4: Simplify right side
    53,181.60x = 1,446,054,543.36
  5. Step 5: Solve for x
    x = 1,446,054,543.36/53,181.60
  6. Step 6: Final answer
    x = 27,190.88

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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.