Home / 39,322.68-58,942.49-28,223.36

Finding the Fourth Proportional to 39,322.68, 58,942.49 and 28,223.36

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Solution

The fourth proportional to 39,322.68, 58,942.49 and 28,223.36 is: 42,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,322.68 : 58,942.49 = 28,223.36 : x
  2. Step 2: Convert to fraction form
    39,322.68/58,942.49 = 28,223.36/x
  3. Step 3: Cross multiply
    39,322.68x = 58,942.49 × 28,223.36
  4. Step 4: Simplify right side
    39,322.68x = 1,663,554,678.74
  5. Step 5: Solve for x
    x = 1,663,554,678.74/39,322.68
  6. Step 6: Final answer
    x = 42,305.22

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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.