Home / 53,748.09-80,629.41-18,683.19

Finding the Fourth Proportional to 53,748.09, 80,629.41 and 18,683.19

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Solution

The fourth proportional to 53,748.09, 80,629.41 and 18,683.19 is: 28,027.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,748.09 : 80,629.41 = 18,683.19 : x
  2. Step 2: Convert to fraction form
    53,748.09/80,629.41 = 18,683.19/x
  3. Step 3: Cross multiply
    53,748.09x = 80,629.41 × 18,683.19
  4. Step 4: Simplify right side
    53,748.09x = 1,506,414,586.62
  5. Step 5: Solve for x
    x = 1,506,414,586.62/53,748.09
  6. Step 6: Final answer
    x = 28,027.31

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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.