Home / 39,709.68-54,795.48-22,942.32

Finding the Fourth Proportional to 39,709.68, 54,795.48 and 22,942.32

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Solution

The fourth proportional to 39,709.68, 54,795.48 and 22,942.32 is: 31,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,709.68 : 54,795.48 = 22,942.32 : x
  2. Step 2: Convert to fraction form
    39,709.68/54,795.48 = 22,942.32/x
  3. Step 3: Cross multiply
    39,709.68x = 54,795.48 × 22,942.32
  4. Step 4: Simplify right side
    39,709.68x = 1,257,135,436.71
  5. Step 5: Solve for x
    x = 1,257,135,436.71/39,709.68
  6. Step 6: Final answer
    x = 31,658.16

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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.