Home / 43,005.90-64,498.05-15,297.42

Finding the Fourth Proportional to 43,005.90, 64,498.05 and 15,297.42

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Solution

The fourth proportional to 43,005.90, 64,498.05 and 15,297.42 is: 22,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,005.90 : 64,498.05 = 15,297.42 : x
  2. Step 2: Convert to fraction form
    43,005.90/64,498.05 = 15,297.42/x
  3. Step 3: Cross multiply
    43,005.90x = 64,498.05 × 15,297.42
  4. Step 4: Simplify right side
    43,005.90x = 986,653,760.03
  5. Step 5: Solve for x
    x = 986,653,760.03/43,005.90
  6. Step 6: Final answer
    x = 22,942.29

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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.