Home / 47,713.60-71,570.40-12,653.27

Finding the Fourth Proportional to 47,713.60, 71,570.40 and 12,653.27

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Solution

The fourth proportional to 47,713.60, 71,570.40 and 12,653.27 is: 18,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,713.60 : 71,570.40 = 12,653.27 : x
  2. Step 2: Convert to fraction form
    47,713.60/71,570.40 = 12,653.27/x
  3. Step 3: Cross multiply
    47,713.60x = 71,570.40 × 12,653.27
  4. Step 4: Simplify right side
    47,713.60x = 905,599,595.21
  5. Step 5: Solve for x
    x = 905,599,595.21/47,713.60
  6. Step 6: Final answer
    x = 18,979.91

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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.