Home / 39,226.47-54,133.58-21,322.68

Finding the Fourth Proportional to 39,226.47, 54,133.58 and 21,322.68

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Solution

The fourth proportional to 39,226.47, 54,133.58 and 21,322.68 is: 29,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,226.47 : 54,133.58 = 21,322.68 : x
  2. Step 2: Convert to fraction form
    39,226.47/54,133.58 = 21,322.68/x
  3. Step 3: Cross multiply
    39,226.47x = 54,133.58 × 21,322.68
  4. Step 4: Simplify right side
    39,226.47x = 1,154,273,003.59
  5. Step 5: Solve for x
    x = 1,154,273,003.59/39,226.47
  6. Step 6: Final answer
    x = 29,425.87

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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.