Home / 39,929-55,102.28-22,024.49

Finding the Fourth Proportional to 39,929, 55,102.28 and 22,024.49

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Solution

The fourth proportional to 39,929, 55,102.28 and 22,024.49 is: 30,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929 : 55,102.28 = 22,024.49 : x
  2. Step 2: Convert to fraction form
    39,929/55,102.28 = 22,024.49/x
  3. Step 3: Cross multiply
    39,929x = 55,102.28 × 22,024.49
  4. Step 4: Simplify right side
    39,929x = 1,213,599,614.84
  5. Step 5: Solve for x
    x = 1,213,599,614.84/39,929
  6. Step 6: Final answer
    x = 30,393.94

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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.