Home / 35,691.69-49,252.38-19,774.98

Finding the Fourth Proportional to 35,691.69, 49,252.38 and 19,774.98

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Solution

The fourth proportional to 35,691.69, 49,252.38 and 19,774.98 is: 27,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.69 : 49,252.38 = 19,774.98 : x
  2. Step 2: Convert to fraction form
    35,691.69/49,252.38 = 19,774.98/x
  3. Step 3: Cross multiply
    35,691.69x = 49,252.38 × 19,774.98
  4. Step 4: Simplify right side
    35,691.69x = 973,964,829.45
  5. Step 5: Solve for x
    x = 973,964,829.45/35,691.69
  6. Step 6: Final answer
    x = 27,288.28

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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.