Home / 47,973.67-71,961.11-12,913.32

Finding the Fourth Proportional to 47,973.67, 71,961.11 and 12,913.32

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Solution

The fourth proportional to 47,973.67, 71,961.11 and 12,913.32 is: 19,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,973.67 : 71,961.11 = 12,913.32 : x
  2. Step 2: Convert to fraction form
    47,973.67/71,961.11 = 12,913.32/x
  3. Step 3: Cross multiply
    47,973.67x = 71,961.11 × 12,913.32
  4. Step 4: Simplify right side
    47,973.67x = 929,257,094.70
  5. Step 5: Solve for x
    x = 929,257,094.70/47,973.67
  6. Step 6: Final answer
    x = 19,370.15

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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.