Home / 47,571.35-71,360.14-15,978.92

Finding the Fourth Proportional to 47,571.35, 71,360.14 and 15,978.92

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Solution

The fourth proportional to 47,571.35, 71,360.14 and 15,978.92 is: 23,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,571.35 : 71,360.14 = 15,978.92 : x
  2. Step 2: Convert to fraction form
    47,571.35/71,360.14 = 15,978.92/x
  3. Step 3: Cross multiply
    47,571.35x = 71,360.14 × 15,978.92
  4. Step 4: Simplify right side
    47,571.35x = 1,140,258,002.86
  5. Step 5: Solve for x
    x = 1,140,258,002.86/47,571.35
  6. Step 6: Final answer
    x = 23,969.43

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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.