Home / 47,289.96-70,951.68-20,992.32

Finding the Fourth Proportional to 47,289.96, 70,951.68 and 20,992.32

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Solution

The fourth proportional to 47,289.96, 70,951.68 and 20,992.32 is: 31,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289.96 : 70,951.68 = 20,992.32 : x
  2. Step 2: Convert to fraction form
    47,289.96/70,951.68 = 20,992.32/x
  3. Step 3: Cross multiply
    47,289.96x = 70,951.68 × 20,992.32
  4. Step 4: Simplify right side
    47,289.96x = 1,489,440,371.10
  5. Step 5: Solve for x
    x = 1,489,440,371.10/47,289.96
  6. Step 6: Final answer
    x = 31,495.91

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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.