Home / 35,630.72-49,169.70-19,715.17

Finding the Fourth Proportional to 35,630.72, 49,169.70 and 19,715.17

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Solution

The fourth proportional to 35,630.72, 49,169.70 and 19,715.17 is: 27,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,630.72 : 49,169.70 = 19,715.17 : x
  2. Step 2: Convert to fraction form
    35,630.72/49,169.70 = 19,715.17/x
  3. Step 3: Cross multiply
    35,630.72x = 49,169.70 × 19,715.17
  4. Step 4: Simplify right side
    35,630.72x = 969,388,994.35
  5. Step 5: Solve for x
    x = 969,388,994.35/35,630.72
  6. Step 6: Final answer
    x = 27,206.55

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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.