Home / 39,949.64-55,130.68-22,045.17

Finding the Fourth Proportional to 39,949.64, 55,130.68 and 22,045.17

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Solution

The fourth proportional to 39,949.64, 55,130.68 and 22,045.17 is: 30,422.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,949.64 : 55,130.68 = 22,045.17 : x
  2. Step 2: Convert to fraction form
    39,949.64/55,130.68 = 22,045.17/x
  3. Step 3: Cross multiply
    39,949.64x = 55,130.68 × 22,045.17
  4. Step 4: Simplify right side
    39,949.64x = 1,215,365,212.82
  5. Step 5: Solve for x
    x = 1,215,365,212.82/39,949.64
  6. Step 6: Final answer
    x = 30,422.43

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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.