Home / 47,122.99-70,684.79-13,842.92

Finding the Fourth Proportional to 47,122.99, 70,684.79 and 13,842.92

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Solution

The fourth proportional to 47,122.99, 70,684.79 and 13,842.92 is: 20,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,122.99 : 70,684.79 = 13,842.92 : x
  2. Step 2: Convert to fraction form
    47,122.99/70,684.79 = 13,842.92/x
  3. Step 3: Cross multiply
    47,122.99x = 70,684.79 × 13,842.92
  4. Step 4: Simplify right side
    47,122.99x = 978,484,000.68
  5. Step 5: Solve for x
    x = 978,484,000.68/47,122.99
  6. Step 6: Final answer
    x = 20,764.47

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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.