Home / 39,912.55-55,076.50-22,007.17

Finding the Fourth Proportional to 39,912.55, 55,076.50 and 22,007.17

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Solution

The fourth proportional to 39,912.55, 55,076.50 and 22,007.17 is: 30,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,912.55 : 55,076.50 = 22,007.17 : x
  2. Step 2: Convert to fraction form
    39,912.55/55,076.50 = 22,007.17/x
  3. Step 3: Cross multiply
    39,912.55x = 55,076.50 × 22,007.17
  4. Step 4: Simplify right side
    39,912.55x = 1,212,078,098.13
  5. Step 5: Solve for x
    x = 1,212,078,098.13/39,912.55
  6. Step 6: Final answer
    x = 30,368.35

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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.