Home / 47,620.79-71,430.44-11,597.57

Finding the Fourth Proportional to 47,620.79, 71,430.44 and 11,597.57

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Solution

The fourth proportional to 47,620.79, 71,430.44 and 11,597.57 is: 17,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,620.79 : 71,430.44 = 11,597.57 : x
  2. Step 2: Convert to fraction form
    47,620.79/71,430.44 = 11,597.57/x
  3. Step 3: Cross multiply
    47,620.79x = 71,430.44 × 11,597.57
  4. Step 4: Simplify right side
    47,620.79x = 828,419,773.10
  5. Step 5: Solve for x
    x = 828,419,773.10/47,620.79
  6. Step 6: Final answer
    x = 17,396.18

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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.