Home / 43,007.90-64,487.54-17,700.36

Finding the Fourth Proportional to 43,007.90, 64,487.54 and 17,700.36

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Solution

The fourth proportional to 43,007.90, 64,487.54 and 17,700.36 is: 26,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,007.90 : 64,487.54 = 17,700.36 : x
  2. Step 2: Convert to fraction form
    43,007.90/64,487.54 = 17,700.36/x
  3. Step 3: Cross multiply
    43,007.90x = 64,487.54 × 17,700.36
  4. Step 4: Simplify right side
    43,007.90x = 1,141,452,475.94
  5. Step 5: Solve for x
    x = 1,141,452,475.94/43,007.90
  6. Step 6: Final answer
    x = 26,540.53

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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.