Home / 35,815.97-49,423.87-19,899.88

Finding the Fourth Proportional to 35,815.97, 49,423.87 and 19,899.88

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Solution

The fourth proportional to 35,815.97, 49,423.87 and 19,899.88 is: 27,460.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.97 : 49,423.87 = 19,899.88 : x
  2. Step 2: Convert to fraction form
    35,815.97/49,423.87 = 19,899.88/x
  3. Step 3: Cross multiply
    35,815.97x = 49,423.87 × 19,899.88
  4. Step 4: Simplify right side
    35,815.97x = 983,528,983.45
  5. Step 5: Solve for x
    x = 983,528,983.45/35,815.97
  6. Step 6: Final answer
    x = 27,460.62

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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.