Home / 47,189.78-70,773.33-13,900.85

Finding the Fourth Proportional to 47,189.78, 70,773.33 and 13,900.85

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Solution

The fourth proportional to 47,189.78, 70,773.33 and 13,900.85 is: 20,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,189.78 : 70,773.33 = 13,900.85 : x
  2. Step 2: Convert to fraction form
    47,189.78/70,773.33 = 13,900.85/x
  3. Step 3: Cross multiply
    47,189.78x = 70,773.33 × 13,900.85
  4. Step 4: Simplify right side
    47,189.78x = 983,809,444.33
  5. Step 5: Solve for x
    x = 983,809,444.33/47,189.78
  6. Step 6: Final answer
    x = 20,847.93

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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.