Home / 39,929.54-55,100.75-22,023.47

Finding the Fourth Proportional to 39,929.54, 55,100.75 and 22,023.47

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Solution

The fourth proportional to 39,929.54, 55,100.75 and 22,023.47 is: 30,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929.54 : 55,100.75 = 22,023.47 : x
  2. Step 2: Convert to fraction form
    39,929.54/55,100.75 = 22,023.47/x
  3. Step 3: Cross multiply
    39,929.54x = 55,100.75 × 22,023.47
  4. Step 4: Simplify right side
    39,929.54x = 1,213,509,742.24
  5. Step 5: Solve for x
    x = 1,213,509,742.24/39,929.54
  6. Step 6: Final answer
    x = 30,391.28

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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.