Home / 47,708.89-71,555.23-12,652.09

Finding the Fourth Proportional to 47,708.89, 71,555.23 and 12,652.09

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Solution

The fourth proportional to 47,708.89, 71,555.23 and 12,652.09 is: 18,975.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,708.89 : 71,555.23 = 12,652.09 : x
  2. Step 2: Convert to fraction form
    47,708.89/71,555.23 = 12,652.09/x
  3. Step 3: Cross multiply
    47,708.89x = 71,555.23 × 12,652.09
  4. Step 4: Simplify right side
    47,708.89x = 905,323,209.93
  5. Step 5: Solve for x
    x = 905,323,209.93/47,708.89
  6. Step 6: Final answer
    x = 18,975.99

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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.