Home / 47,784.85-71,685.92-19,689.27

Finding the Fourth Proportional to 47,784.85, 71,685.92 and 19,689.27

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Solution

The fourth proportional to 47,784.85, 71,685.92 and 19,689.27 is: 29,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,784.85 : 71,685.92 = 19,689.27 : x
  2. Step 2: Convert to fraction form
    47,784.85/71,685.92 = 19,689.27/x
  3. Step 3: Cross multiply
    47,784.85x = 71,685.92 × 19,689.27
  4. Step 4: Simplify right side
    47,784.85x = 1,411,443,335.63
  5. Step 5: Solve for x
    x = 1,411,443,335.63/47,784.85
  6. Step 6: Final answer
    x = 29,537.47

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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.