Home / 39,433.41-54,417.72-21,528.36

Finding the Fourth Proportional to 39,433.41, 54,417.72 and 21,528.36

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Solution

The fourth proportional to 39,433.41, 54,417.72 and 21,528.36 is: 29,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,433.41 : 54,417.72 = 21,528.36 : x
  2. Step 2: Convert to fraction form
    39,433.41/54,417.72 = 21,528.36/x
  3. Step 3: Cross multiply
    39,433.41x = 54,417.72 × 21,528.36
  4. Step 4: Simplify right side
    39,433.41x = 1,171,524,266.54
  5. Step 5: Solve for x
    x = 1,171,524,266.54/39,433.41
  6. Step 6: Final answer
    x = 29,708.93

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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.