Home / 35,815.53-49,425.08-19,899.65

Finding the Fourth Proportional to 35,815.53, 49,425.08 and 19,899.65

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Solution

The fourth proportional to 35,815.53, 49,425.08 and 19,899.65 is: 27,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.53 : 49,425.08 = 19,899.65 : x
  2. Step 2: Convert to fraction form
    35,815.53/49,425.08 = 19,899.65/x
  3. Step 3: Cross multiply
    35,815.53x = 49,425.08 × 19,899.65
  4. Step 4: Simplify right side
    35,815.53x = 983,541,446.60
  5. Step 5: Solve for x
    x = 983,541,446.60/35,815.53
  6. Step 6: Final answer
    x = 27,461.31

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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.