Home / 47,673.14-71,532.75-19,613.90

Finding the Fourth Proportional to 47,673.14, 71,532.75 and 19,613.90

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Solution

The fourth proportional to 47,673.14, 71,532.75 and 19,613.90 is: 29,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,673.14 : 71,532.75 = 19,613.90 : x
  2. Step 2: Convert to fraction form
    47,673.14/71,532.75 = 19,613.90/x
  3. Step 3: Cross multiply
    47,673.14x = 71,532.75 × 19,613.90
  4. Step 4: Simplify right side
    47,673.14x = 1,403,036,205.23
  5. Step 5: Solve for x
    x = 1,403,036,205.23/47,673.14
  6. Step 6: Final answer
    x = 29,430.33

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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.