Home / 35,729.10-49,306.29-19,815.02

Finding the Fourth Proportional to 35,729.10, 49,306.29 and 19,815.02

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Solution

The fourth proportional to 35,729.10, 49,306.29 and 19,815.02 is: 27,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,729.10 : 49,306.29 = 19,815.02 : x
  2. Step 2: Convert to fraction form
    35,729.10/49,306.29 = 19,815.02/x
  3. Step 3: Cross multiply
    35,729.10x = 49,306.29 × 19,815.02
  4. Step 4: Simplify right side
    35,729.10x = 977,005,122.48
  5. Step 5: Solve for x
    x = 977,005,122.48/35,729.10
  6. Step 6: Final answer
    x = 27,344.80

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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.