Home / 35,730.48-49,308.36-19,815.96

Finding the Fourth Proportional to 35,730.48, 49,308.36 and 19,815.96

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Solution

The fourth proportional to 35,730.48, 49,308.36 and 19,815.96 is: 27,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,730.48 : 49,308.36 = 19,815.96 : x
  2. Step 2: Convert to fraction form
    35,730.48/49,308.36 = 19,815.96/x
  3. Step 3: Cross multiply
    35,730.48x = 49,308.36 × 19,815.96
  4. Step 4: Simplify right side
    35,730.48x = 977,092,489.43
  5. Step 5: Solve for x
    x = 977,092,489.43/35,730.48
  6. Step 6: Final answer
    x = 27,346.19

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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.