Home / 57,567.85-86,279.21-30,847.57

Finding the Fourth Proportional to 57,567.85, 86,279.21 and 30,847.57

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Solution

The fourth proportional to 57,567.85, 86,279.21 and 30,847.57 is: 46,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,567.85 : 86,279.21 = 30,847.57 : x
  2. Step 2: Convert to fraction form
    57,567.85/86,279.21 = 30,847.57/x
  3. Step 3: Cross multiply
    57,567.85x = 86,279.21 × 30,847.57
  4. Step 4: Simplify right side
    57,567.85x = 2,661,503,715.76
  5. Step 5: Solve for x
    x = 2,661,503,715.76/57,567.85
  6. Step 6: Final answer
    x = 46,232.47

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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.