Home / 53,781.60-80,673.44-19,586.08

Finding the Fourth Proportional to 53,781.60, 80,673.44 and 19,586.08

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Solution

The fourth proportional to 53,781.60, 80,673.44 and 19,586.08 is: 29,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.60 : 80,673.44 = 19,586.08 : x
  2. Step 2: Convert to fraction form
    53,781.60/80,673.44 = 19,586.08/x
  3. Step 3: Cross multiply
    53,781.60x = 80,673.44 × 19,586.08
  4. Step 4: Simplify right side
    53,781.60x = 1,580,076,449.72
  5. Step 5: Solve for x
    x = 1,580,076,449.72/53,781.60
  6. Step 6: Final answer
    x = 29,379.50

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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.