Home / 47,675.95-71,517.34-12,615.19

Finding the Fourth Proportional to 47,675.95, 71,517.34 and 12,615.19

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Solution

The fourth proportional to 47,675.95, 71,517.34 and 12,615.19 is: 18,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,675.95 : 71,517.34 = 12,615.19 : x
  2. Step 2: Convert to fraction form
    47,675.95/71,517.34 = 12,615.19/x
  3. Step 3: Cross multiply
    47,675.95x = 71,517.34 × 12,615.19
  4. Step 4: Simplify right side
    47,675.95x = 902,204,669.37
  5. Step 5: Solve for x
    x = 902,204,669.37/47,675.95
  6. Step 6: Final answer
    x = 18,923.69

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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.