Home / 57,269.48-79,019.34-55,381.64

Finding the Fourth Proportional to 57,269.48, 79,019.34 and 55,381.64

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Solution

The fourth proportional to 57,269.48, 79,019.34 and 55,381.64 is: 76,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,269.48 : 79,019.34 = 55,381.64 : x
  2. Step 2: Convert to fraction form
    57,269.48/79,019.34 = 55,381.64/x
  3. Step 3: Cross multiply
    57,269.48x = 79,019.34 × 55,381.64
  4. Step 4: Simplify right side
    57,269.48x = 4,376,220,640.92
  5. Step 5: Solve for x
    x = 4,376,220,640.92/57,269.48
  6. Step 6: Final answer
    x = 76,414.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.