Home / 47,559.80-71,368.86-21,286.76

Finding the Fourth Proportional to 47,559.80, 71,368.86 and 21,286.76

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Solution

The fourth proportional to 47,559.80, 71,368.86 and 21,286.76 is: 31,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,559.80 : 71,368.86 = 21,286.76 : x
  2. Step 2: Convert to fraction form
    47,559.80/71,368.86 = 21,286.76/x
  3. Step 3: Cross multiply
    47,559.80x = 71,368.86 × 21,286.76
  4. Step 4: Simplify right side
    47,559.80x = 1,519,211,794.29
  5. Step 5: Solve for x
    x = 1,519,211,794.29/47,559.80
  6. Step 6: Final answer
    x = 31,943.19

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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.