Home / 35,735.24-49,310.40-19,815.80

Finding the Fourth Proportional to 35,735.24, 49,310.40 and 19,815.80

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Solution

The fourth proportional to 35,735.24, 49,310.40 and 19,815.80 is: 27,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,735.24 : 49,310.40 = 19,815.80 : x
  2. Step 2: Convert to fraction form
    35,735.24/49,310.40 = 19,815.80/x
  3. Step 3: Cross multiply
    35,735.24x = 49,310.40 × 19,815.80
  4. Step 4: Simplify right side
    35,735.24x = 977,125,024.32
  5. Step 5: Solve for x
    x = 977,125,024.32/35,735.24
  6. Step 6: Final answer
    x = 27,343.46

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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.