Home / 43,394.01-65,067.60-19,688.62

Finding the Fourth Proportional to 43,394.01, 65,067.60 and 19,688.62

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Solution

The fourth proportional to 43,394.01, 65,067.60 and 19,688.62 is: 29,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,394.01 : 65,067.60 = 19,688.62 : x
  2. Step 2: Convert to fraction form
    43,394.01/65,067.60 = 19,688.62/x
  3. Step 3: Cross multiply
    43,394.01x = 65,067.60 × 19,688.62
  4. Step 4: Simplify right side
    43,394.01x = 1,281,091,250.71
  5. Step 5: Solve for x
    x = 1,281,091,250.71/43,394.01
  6. Step 6: Final answer
    x = 29,522.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.