Home / 57,551.55-79,433.39-38,677.74

Finding the Fourth Proportional to 57,551.55, 79,433.39 and 38,677.74

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Solution

The fourth proportional to 57,551.55, 79,433.39 and 38,677.74 is: 53,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,551.55 : 79,433.39 = 38,677.74 : x
  2. Step 2: Convert to fraction form
    57,551.55/79,433.39 = 38,677.74/x
  3. Step 3: Cross multiply
    57,551.55x = 79,433.39 × 38,677.74
  4. Step 4: Simplify right side
    57,551.55x = 3,072,304,005.74
  5. Step 5: Solve for x
    x = 3,072,304,005.74/57,551.55
  6. Step 6: Final answer
    x = 53,383.51

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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.