Home / 39,410.86-54,384.84-22,412.82

Finding the Fourth Proportional to 39,410.86, 54,384.84 and 22,412.82

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Solution

The fourth proportional to 39,410.86, 54,384.84 and 22,412.82 is: 30,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,410.86 : 54,384.84 = 22,412.82 : x
  2. Step 2: Convert to fraction form
    39,410.86/54,384.84 = 22,412.82/x
  3. Step 3: Cross multiply
    39,410.86x = 54,384.84 × 22,412.82
  4. Step 4: Simplify right side
    39,410.86x = 1,218,917,629.65
  5. Step 5: Solve for x
    x = 1,218,917,629.65/39,410.86
  6. Step 6: Final answer
    x = 30,928.47

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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.