Home / 55,808.64-77,020.24-31,942.80

Finding the Fourth Proportional to 55,808.64, 77,020.24 and 31,942.80

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Solution

The fourth proportional to 55,808.64, 77,020.24 and 31,942.80 is: 44,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,808.64 : 77,020.24 = 31,942.80 : x
  2. Step 2: Convert to fraction form
    55,808.64/77,020.24 = 31,942.80/x
  3. Step 3: Cross multiply
    55,808.64x = 77,020.24 × 31,942.80
  4. Step 4: Simplify right side
    55,808.64x = 2,460,242,122.27
  5. Step 5: Solve for x
    x = 2,460,242,122.27/55,808.64
  6. Step 6: Final answer
    x = 44,083.53

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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.