Home / 34,450.11-47,550.24-20,312.37

Finding the Fourth Proportional to 34,450.11, 47,550.24 and 20,312.37

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Solution

The fourth proportional to 34,450.11, 47,550.24 and 20,312.37 is: 28,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,450.11 : 47,550.24 = 20,312.37 : x
  2. Step 2: Convert to fraction form
    34,450.11/47,550.24 = 20,312.37/x
  3. Step 3: Cross multiply
    34,450.11x = 47,550.24 × 20,312.37
  4. Step 4: Simplify right side
    34,450.11x = 965,858,068.47
  5. Step 5: Solve for x
    x = 965,858,068.47/34,450.11
  6. Step 6: Final answer
    x = 28,036.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.