Home / 39,917.62-55,085.40-22,012.24

Finding the Fourth Proportional to 39,917.62, 55,085.40 and 22,012.24

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Solution

The fourth proportional to 39,917.62, 55,085.40 and 22,012.24 is: 30,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.62 : 55,085.40 = 22,012.24 : x
  2. Step 2: Convert to fraction form
    39,917.62/55,085.40 = 22,012.24/x
  3. Step 3: Cross multiply
    39,917.62x = 55,085.40 × 22,012.24
  4. Step 4: Simplify right side
    39,917.62x = 1,212,553,045.30
  5. Step 5: Solve for x
    x = 1,212,553,045.30/39,917.62
  6. Step 6: Final answer
    x = 30,376.39

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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.