Home / 30,983.72-42,757.39-17,554.95

Finding the Fourth Proportional to 30,983.72, 42,757.39 and 17,554.95

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Solution

The fourth proportional to 30,983.72, 42,757.39 and 17,554.95 is: 24,225.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,983.72 : 42,757.39 = 17,554.95 : x
  2. Step 2: Convert to fraction form
    30,983.72/42,757.39 = 17,554.95/x
  3. Step 3: Cross multiply
    30,983.72x = 42,757.39 × 17,554.95
  4. Step 4: Simplify right side
    30,983.72x = 750,603,843.58
  5. Step 5: Solve for x
    x = 750,603,843.58/30,983.72
  6. Step 6: Final answer
    x = 24,225.75

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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.