Home / 39,433.07-54,418.46-21,528.83

Finding the Fourth Proportional to 39,433.07, 54,418.46 and 21,528.83

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Solution

The fourth proportional to 39,433.07, 54,418.46 and 21,528.83 is: 29,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,433.07 : 54,418.46 = 21,528.83 : x
  2. Step 2: Convert to fraction form
    39,433.07/54,418.46 = 21,528.83/x
  3. Step 3: Cross multiply
    39,433.07x = 54,418.46 × 21,528.83
  4. Step 4: Simplify right side
    39,433.07x = 1,171,565,394.47
  5. Step 5: Solve for x
    x = 1,171,565,394.47/39,433.07
  6. Step 6: Final answer
    x = 29,710.23

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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.