Home / 47,718.87-71,609.99-31,941.51

Finding the Fourth Proportional to 47,718.87, 71,609.99 and 31,941.51

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Solution

The fourth proportional to 47,718.87, 71,609.99 and 31,941.51 is: 47,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,718.87 : 71,609.99 = 31,941.51 : x
  2. Step 2: Convert to fraction form
    47,718.87/71,609.99 = 31,941.51/x
  3. Step 3: Cross multiply
    47,718.87x = 71,609.99 × 31,941.51
  4. Step 4: Simplify right side
    47,718.87x = 2,287,331,051.98
  5. Step 5: Solve for x
    x = 2,287,331,051.98/47,718.87
  6. Step 6: Final answer
    x = 47,933.47

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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.