Home / 55,777.39-83,679.24-18,337.57

Finding the Fourth Proportional to 55,777.39, 83,679.24 and 18,337.57

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Solution

The fourth proportional to 55,777.39, 83,679.24 and 18,337.57 is: 27,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,777.39 : 83,679.24 = 18,337.57 : x
  2. Step 2: Convert to fraction form
    55,777.39/83,679.24 = 18,337.57/x
  3. Step 3: Cross multiply
    55,777.39x = 83,679.24 × 18,337.57
  4. Step 4: Simplify right side
    55,777.39x = 1,534,473,921.05
  5. Step 5: Solve for x
    x = 1,534,473,921.05/55,777.39
  6. Step 6: Final answer
    x = 27,510.68

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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.