Home / 35,520.72-49,018.32-19,605.84

Finding the Fourth Proportional to 35,520.72, 49,018.32 and 19,605.84

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Solution

The fourth proportional to 35,520.72, 49,018.32 and 19,605.84 is: 27,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,520.72 : 49,018.32 = 19,605.84 : x
  2. Step 2: Convert to fraction form
    35,520.72/49,018.32 = 19,605.84/x
  3. Step 3: Cross multiply
    35,520.72x = 49,018.32 × 19,605.84
  4. Step 4: Simplify right side
    35,520.72x = 961,045,338.99
  5. Step 5: Solve for x
    x = 961,045,338.99/35,520.72
  6. Step 6: Final answer
    x = 27,055.91

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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.