Home / 47,829.20-71,756.12-19,753.58

Finding the Fourth Proportional to 47,829.20, 71,756.12 and 19,753.58

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Solution

The fourth proportional to 47,829.20, 71,756.12 and 19,753.58 is: 29,635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,829.20 : 71,756.12 = 19,753.58 : x
  2. Step 2: Convert to fraction form
    47,829.20/71,756.12 = 19,753.58/x
  3. Step 3: Cross multiply
    47,829.20x = 71,756.12 × 19,753.58
  4. Step 4: Simplify right side
    47,829.20x = 1,417,440,256.91
  5. Step 5: Solve for x
    x = 1,417,440,256.91/47,829.20
  6. Step 6: Final answer
    x = 29,635.46

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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.