Home / 47,962.62-71,943.93-12,905.82

Finding the Fourth Proportional to 47,962.62, 71,943.93 and 12,905.82

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Solution

The fourth proportional to 47,962.62, 71,943.93 and 12,905.82 is: 19,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,962.62 : 71,943.93 = 12,905.82 : x
  2. Step 2: Convert to fraction form
    47,962.62/71,943.93 = 12,905.82/x
  3. Step 3: Cross multiply
    47,962.62x = 71,943.93 × 12,905.82
  4. Step 4: Simplify right side
    47,962.62x = 928,495,410.67
  5. Step 5: Solve for x
    x = 928,495,410.67/47,962.62
  6. Step 6: Final answer
    x = 19,358.73

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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.