Home / 30,763.34-42,453.44-16,616.20

Finding the Fourth Proportional to 30,763.34, 42,453.44 and 16,616.20

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Solution

The fourth proportional to 30,763.34, 42,453.44 and 16,616.20 is: 22,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.34 : 42,453.44 = 16,616.20 : x
  2. Step 2: Convert to fraction form
    30,763.34/42,453.44 = 16,616.20/x
  3. Step 3: Cross multiply
    30,763.34x = 42,453.44 × 16,616.20
  4. Step 4: Simplify right side
    30,763.34x = 705,414,554.38
  5. Step 5: Solve for x
    x = 705,414,554.38/30,763.34
  6. Step 6: Final answer
    x = 22,930.36

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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.