Home / 39,948.66-55,128.74-22,043.82

Finding the Fourth Proportional to 39,948.66, 55,128.74 and 22,043.82

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Solution

The fourth proportional to 39,948.66, 55,128.74 and 22,043.82 is: 30,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948.66 : 55,128.74 = 22,043.82 : x
  2. Step 2: Convert to fraction form
    39,948.66/55,128.74 = 22,043.82/x
  3. Step 3: Cross multiply
    39,948.66x = 55,128.74 × 22,043.82
  4. Step 4: Simplify right side
    39,948.66x = 1,215,248,021.39
  5. Step 5: Solve for x
    x = 1,215,248,021.39/39,948.66
  6. Step 6: Final answer
    x = 30,420.24

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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.