Home / 35,815.74-49,422.30-19,899.24

Finding the Fourth Proportional to 35,815.74, 49,422.30 and 19,899.24

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Solution

The fourth proportional to 35,815.74, 49,422.30 and 19,899.24 is: 27,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.74 : 49,422.30 = 19,899.24 : x
  2. Step 2: Convert to fraction form
    35,815.74/49,422.30 = 19,899.24/x
  3. Step 3: Cross multiply
    35,815.74x = 49,422.30 × 19,899.24
  4. Step 4: Simplify right side
    35,815.74x = 983,466,209.05
  5. Step 5: Solve for x
    x = 983,466,209.05/35,815.74
  6. Step 6: Final answer
    x = 27,459.05

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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.