Home / 47,527.48-71,276.82-19,819

Finding the Fourth Proportional to 47,527.48, 71,276.82 and 19,819

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Solution

The fourth proportional to 47,527.48, 71,276.82 and 19,819 is: 29,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,527.48 : 71,276.82 = 19,819 : x
  2. Step 2: Convert to fraction form
    47,527.48/71,276.82 = 19,819/x
  3. Step 3: Cross multiply
    47,527.48x = 71,276.82 × 19,819
  4. Step 4: Simplify right side
    47,527.48x = 1,412,635,295.58
  5. Step 5: Solve for x
    x = 1,412,635,295.58/47,527.48
  6. Step 6: Final answer
    x = 29,722.50

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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.