Home / 57,560.92-79,403.66-39,624.89

Finding the Fourth Proportional to 57,560.92, 79,403.66 and 39,624.89

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Solution

The fourth proportional to 57,560.92, 79,403.66 and 39,624.89 is: 54,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,560.92 : 79,403.66 = 39,624.89 : x
  2. Step 2: Convert to fraction form
    57,560.92/79,403.66 = 39,624.89/x
  3. Step 3: Cross multiply
    57,560.92x = 79,403.66 × 39,624.89
  4. Step 4: Simplify right side
    57,560.92x = 3,146,360,846.55
  5. Step 5: Solve for x
    x = 3,146,360,846.55/57,560.92
  6. Step 6: Final answer
    x = 54,661.41

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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.