Home / 39,948.50-55,128.93-22,284.50

Finding the Fourth Proportional to 39,948.50, 55,128.93 and 22,284.50

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Solution

The fourth proportional to 39,948.50, 55,128.93 and 22,284.50 is: 30,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948.50 : 55,128.93 = 22,284.50 : x
  2. Step 2: Convert to fraction form
    39,948.50/55,128.93 = 22,284.50/x
  3. Step 3: Cross multiply
    39,948.50x = 55,128.93 × 22,284.50
  4. Step 4: Simplify right side
    39,948.50x = 1,228,520,640.59
  5. Step 5: Solve for x
    x = 1,228,520,640.59/39,948.50
  6. Step 6: Final answer
    x = 30,752.61

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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.