Home / 47,498.41-71,221.30-19,438.18

Finding the Fourth Proportional to 47,498.41, 71,221.30 and 19,438.18

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Solution

The fourth proportional to 47,498.41, 71,221.30 and 19,438.18 is: 29,146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,498.41 : 71,221.30 = 19,438.18 : x
  2. Step 2: Convert to fraction form
    47,498.41/71,221.30 = 19,438.18/x
  3. Step 3: Cross multiply
    47,498.41x = 71,221.30 × 19,438.18
  4. Step 4: Simplify right side
    47,498.41x = 1,384,412,449.23
  5. Step 5: Solve for x
    x = 1,384,412,449.23/47,498.41
  6. Step 6: Final answer
    x = 29,146.50

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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.