Home / 35,519.88-49,018.14-19,605.72

Finding the Fourth Proportional to 35,519.88, 49,018.14 and 19,605.72

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Solution

The fourth proportional to 35,519.88, 49,018.14 and 19,605.72 is: 27,056.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,519.88 : 49,018.14 = 19,605.72 : x
  2. Step 2: Convert to fraction form
    35,519.88/49,018.14 = 19,605.72/x
  3. Step 3: Cross multiply
    35,519.88x = 49,018.14 × 19,605.72
  4. Step 4: Simplify right side
    35,519.88x = 961,035,927.76
  5. Step 5: Solve for x
    x = 961,035,927.76/35,519.88
  6. Step 6: Final answer
    x = 27,056.28

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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.