Home / 35,730.85-49,308.87-19,815.52

Finding the Fourth Proportional to 35,730.85, 49,308.87 and 19,815.52

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Solution

The fourth proportional to 35,730.85, 49,308.87 and 19,815.52 is: 27,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,730.85 : 49,308.87 = 19,815.52 : x
  2. Step 2: Convert to fraction form
    35,730.85/49,308.87 = 19,815.52/x
  3. Step 3: Cross multiply
    35,730.85x = 49,308.87 × 19,815.52
  4. Step 4: Simplify right side
    35,730.85x = 977,080,899.66
  5. Step 5: Solve for x
    x = 977,080,899.66/35,730.85
  6. Step 6: Final answer
    x = 27,345.58

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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.