Home / 30,616.47-45,910.85-10,895.55

Finding the Fourth Proportional to 30,616.47, 45,910.85 and 10,895.55

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Solution

The fourth proportional to 30,616.47, 45,910.85 and 10,895.55 is: 16,338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,616.47 : 45,910.85 = 10,895.55 : x
  2. Step 2: Convert to fraction form
    30,616.47/45,910.85 = 10,895.55/x
  3. Step 3: Cross multiply
    30,616.47x = 45,910.85 × 10,895.55
  4. Step 4: Simplify right side
    30,616.47x = 500,223,961.72
  5. Step 5: Solve for x
    x = 500,223,961.72/30,616.47
  6. Step 6: Final answer
    x = 16,338.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.