Home / 47,973.66-71,950.38-12,913.62

Finding the Fourth Proportional to 47,973.66, 71,950.38 and 12,913.62

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Solution

The fourth proportional to 47,973.66, 71,950.38 and 12,913.62 is: 19,367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,973.66 : 71,950.38 = 12,913.62 : x
  2. Step 2: Convert to fraction form
    47,973.66/71,950.38 = 12,913.62/x
  3. Step 3: Cross multiply
    47,973.66x = 71,950.38 × 12,913.62
  4. Step 4: Simplify right side
    47,973.66x = 929,139,866.18
  5. Step 5: Solve for x
    x = 929,139,866.18/47,973.66
  6. Step 6: Final answer
    x = 19,367.71

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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.