Home / 47,685.21-71,551.05-19,613.68

Finding the Fourth Proportional to 47,685.21, 71,551.05 and 19,613.68

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Solution

The fourth proportional to 47,685.21, 71,551.05 and 19,613.68 is: 29,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,685.21 : 71,551.05 = 19,613.68 : x
  2. Step 2: Convert to fraction form
    47,685.21/71,551.05 = 19,613.68/x
  3. Step 3: Cross multiply
    47,685.21x = 71,551.05 × 19,613.68
  4. Step 4: Simplify right side
    47,685.21x = 1,403,379,145.94
  5. Step 5: Solve for x
    x = 1,403,379,145.94/47,685.21
  6. Step 6: Final answer
    x = 29,430.07

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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.