Home / 35,630.85-49,169.87-19,715.30

Finding the Fourth Proportional to 35,630.85, 49,169.87 and 19,715.30

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Solution

The fourth proportional to 35,630.85, 49,169.87 and 19,715.30 is: 27,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,630.85 : 49,169.87 = 19,715.30 : x
  2. Step 2: Convert to fraction form
    35,630.85/49,169.87 = 19,715.30/x
  3. Step 3: Cross multiply
    35,630.85x = 49,169.87 × 19,715.30
  4. Step 4: Simplify right side
    35,630.85x = 969,398,651.90
  5. Step 5: Solve for x
    x = 969,398,651.90/35,630.85
  6. Step 6: Final answer
    x = 27,206.72

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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.